chemistry mcqs second year fsc punjab board pakistan

7/22/2019 Chemistry MCQs Second Year FSC Punjab board pakistan

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CHAPTER # 1Periodic Classification of Elements & Periodicity

1. Which of the following pairs are chemicallydissimilar?

(A) Na and K (B) Ba and Sr

(C) r and !f (") Ca and n.

#. $he total n%m&er of inner transition elementsis

(A) 1' (B) 1(C) # (C) *'

*. $he al+ali metal which is li,%id at 1-oC is

(A) K (B) Cs(C) Na (") None

. Which of the following ion will form most watersol%&le hydroide?

(A) K/ (B) Ni#/

(B) n#/ (C) Al*/

-. Which of the following has greatest tendencyto lose electron?

(A) 0 (B) 0r(B) S (C) Be.

. $he oide of which of the following elements

will &e acidic in character

(A) 2g (B) 3&(C) 4i (C) C5

6. Which of the following is isoelectronic withcar&on atom?

(A) Na/ (B) Al*/

(C) 7#8 (") N/

. Which of the following ions are paramagneticin character?

(A) n#/ (B) C%/

(C) Ni#/ (") Ag/

9. Ca#/ion is isoelectronic with

(A) 2g#/ (B) Na/

(C) Ar (") Kr

1'. :rad%al addition of electronic shells in theno&le gases ca%ses a decrease in their

(A) 5oni;ation energy (B) atomic radi%s(C) Boiling point (") density.

11. Which of the following has highest firstioni;ation potential?

(A) Car&on (B) 7ygen(C) Nitrogen (C) Boron.

1#. Which of the following has the smallest si;e?

(A) Na/ (B) 2g#/

(C) Al*/ (") C5

1*. Which of the following element has themaim%m electron affinity?

(A) 0 (B) S(C) 5 (") C5.

1. Which of the following is isoelectronic as wellas has the same str%ct%re as that of N#7 ?

(A) N*! (B) !#7(B) N7# (C) C7#

1-. $he atomic radi%s increases as we mo


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19. 5onic radii are

(A) "irectly proportional to s,%are of effecti


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*6. =lements with se the smallestelements in the periodic ta&le is

a) 4ithi%m &) 0l%orinec) Cesi%m d) 5odine

-#. Which halogen has the smallest electronaffinity?

a) 0 &) Clc) Br d) 5

-*. $he element with atomic n%m&er 6 is li+ely toha


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a) Na/ and 7 &) Na/ and K/c) Na/ and Ne d) Ne and 7

-6. Which of the following is a trans%ranicelement?

a) Americi%m &) Fl%toni%mc) Nept%ni%m d) All of these

-. $he hydrogen> which is present in theatmosphere of s%n and stars in a largeamo%nt> isa) !# &)!c) !/ d) !8

-9. Cesi%m and 0ranci%m are li,%ids a&o the halogens

a) 4ose their o%termost electrons less easily&) Become less densec) Becomes lighter in colord) :ain electrons less easily

#. $he electron affinity of fl%orine is

a) H *. +IJmol &) H **6 +IJmolc) **6 +IJmol d) *. +IJmol

*. Which ionic halides ha non metals and their deri


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d) Atomic n%m&er of the middle element wasfo%nd t &e approimately the mean of theother two elements of a triad.

6. $he law of octa


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oygen &eca%se of a) 2ore attraction of electrons &y the n%cle%s&) 2ore penetration effectc) $he etra sta&ility of half filled p H or&itald) $he si;e of nitrogen atom is smaller.

9. ion has the largest radi%s.

a) Al/* &) Cl81c) 081 d) 78#

9-. 5onic hydrides are %s%ally

a) 4i,%ids at room temperat%re&) :ood red%cing agentsc) :ood electrical cond%ctors in solid stated) =asily red%ced.

9. $he hydroni%m ion is aJan

a) 5on with form%la !#7/&) 5on with the form%la !*7/

c) 0ree radical rather than an iond) 5on formed &y remo


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. Which element is deposited at the cathoded%ring the electrolysis of &rine in NelsonOs cell?

(A) !# (B) Na(C) C5# (") 7#

9. 5onic radi%s of potassi%m is.

(A) ' pm (B) 1** pm(C) 99 pm (") 19 pmB

1'. Among al+aline =arth 2etals> the highest heatof hydration is of.

(A) Be (B) Sr(C) 3& (") Cs

11. $he chemical form%la of syl #!#7(gyps%m)(C) NaN7# (") 4iN7*

#. $he root system of se


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(B) 2olten NaC5 in "own>s cell(C) 2olten sodi%m hydroide in downOs cell(") None of the a&o which ha


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. =cept lithi%m> the hydroides of all al+alimetals are

a) Strongly acidic &) Strongly &asicc) Wea+ly &asic d) All of these

9. $he car&onates and phosphates of which

elements are insol%&le in water

a) Na and K &) Na and Bec) 4i and 2g d) All of these

-'. All al+aline earth metals react with water atroom temperat%re to release hydrogen andgi which is o&tained at cathode inthe "owns cell is

a) 4i,%id Sodi%m &) "ry chlorinec) Water d) !ydrogen

-6. Which is man%fact%red &y the electrolysis off%sed sodi%m chloride?

a) Na7! &) Na!C7*c) Na d) Na#C7*

-. Which of the following does not cond%ctelectricity?

a) Boron &) :alli%mc) 5ndi%m d) $halli%m

-9. Which al+ali metal is rare and fo%nd in a smallamo%nt in all H igneo%s roc+s?

a) 4i &) Nac) K d) 0r

'. $he ingredient of &a+ing powder is

a) Na!C7* &) Na7!

c) Na#C7* d) NaCl

1. $he form%la of plaster of Faris is

a) CaS7 &) CaS7.!#7c) CaS7.#!#7 d) #CaS7.!#7

#. Which of the following is fl%orspar?

a) Ca7 &) CaC7*c) Ca0# d) Na7!

*. Fotassi%m is +ept in

a) Water &) Alcoholc) Ammonia d) Kerosene oil

. Which one has high m.p?

a) NaCl &) NaBr c) Nal d) Na0

-. Which one of the following is most &asic?

a) Al#7* &) Si7#c) F#7- d) 2g7

. :yps%m is

a) CaS7.#!#7 &) CaS7.!#7c) CaS7 d) 2gS7

6. Which one is commonly %sed as ala&oratory desicator?

a) Na#C7* &) NaClc) CaCl* d) Na7!

. $he radioacti


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a) Be &) 2gc) 3a d) Ba

9. Which one of the following elements has itscompo%nds which are diamagnetic andcolo%rless?

a) Be &) Sr

c) Na d) All of these

6'. Which metal is an important component oftransistors?

a) Ag &) A%c) 3a d) 7s

61. Which imp%rities are present in common salt?

a) Na#S7 &) CaS7c) CaCl# d) All of these

6#. K can displace Na from NaCl d%e to

a) :reater 5.F of K&) :reater 5.F of Nac) 2ore electropositi


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heat of hydration is for

a) K &) 3&c) Cs d) 4i

6. $he nitride ion in lithi%m nitride is composed of

a) 6 protons and 6 electrons

&) 1' protons and 6 electronsc) 1' protons and 1' electronsd) 1' protons and - electrons

. When N!*is passed o the prod%ct formed isa) NaN!# &) NaN7#c) Na(N!*)# d) Na*N

9. Sodi%m metal can &e stored %nder

a) Ben;ene &) Kerosenec) Alcohol d) Water

9'. Chile s%lph%r is

a) NaN7# &) KN7#c) NaN7* d) KN7*

91. Al+ali metals do not eist in

a) 2onoatomic &) "iatomicc) $riatomic d) None of these

9#. 5n general al+ali metals act as

a) 3ed%cing agents&) 7idi;ing agentsc) Both red%cing and oidi;ing agentsd) None of these

9*. Sodi%m is not o&ser


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a) :i


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CHAPTER # 3ro!" and $ Elements

1. Which metal is %sed in the thermal process&eca%se of its acti al%min%m> galli%m> indi%m andthalli%m.

(B) Boron galli%m> thalli%m.(C) Al%min%m> calci%m> stronti%m.(") All of the a&o


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#1. :ro%p 5 A elements form.

(A) S%per oide (B) 7ides(C) "ioide (") All of the a&o


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*. Boron in soil has &een considered essentialspecially for

a) Soil porosity&) Froper growth of plants

c) Al+alinity of soild) All

*9. Special feat%re of &orate glass is that it is

a) !eat resistant&) 4ow meltingc) Gsed to prepare chemical gardend) All

'. 5n p H &loc+ elements> the S H electrons ofo%ter shell of the hea &eca%se they

a) 3emain paired &) 3emain %npairedc) Are free d) None of these

1. $he tendency of the pair of S H electron toremain inert increase with the increase in

a) Atomic n%m&er &) Atomic weightc) =.N d) 5.F

#. Boron does not easily form cations> &eca%se ithas the tendency to form &ond li+e non8metal

a) 5onic &ond &) 2etallic &ondc) !ydrogen &ond d) Co is

a) Na7! &) !*B7*c) Na#B76.1'!#7 d) !#B76

. 7rtho&oric acid is wea+ acid &eca%se it

a) Accepts 7!81ion &) "onate 7!81ionc) Accept !/1 d) "onate !/1

9. $he a,%eo%s sol%tion of which acid is %sed forwashing eyes?

a) !#B76 &) !Clc) !*B7* d) !B7#

-'. $he process in which Ba%ite is p%rified &ydissol


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c) 2agnali%m d) Al%mini%m &ron;e

-6. C%pric oide on heating with B#7*yields &l%ecolored &eads in the oidi;ing flame &eca%se

a) C%pric &orates are white in color

&) C%pric &orates are &lac+ in colorc) C%pric &orates are green in colord) C%pric &orates are &l%e in color

-. 5n mordenting al%mini%m ions (Al/*) areprecipitated on the cloth as

a) Al#7* &) AlNc) Al(7!)* d) AlCl*

-9. Flatin%m metal can &e dissol this is d%eto formation of protecti its chemicalname is

a) Car&on dioide &) Fhosphonyl chloridec) Car&on monoide d) Car&onyl chloride

6*. $he maim%m inert pair effect is shown &y

a) B &) Alc) :a d) $l

6. R%art; is the polymeric form of

a) (Si7#)n &) (C7#)nc) (C!#H C!#)n d) None of these

6-. 5f a metal is protected &y an oide layer fromf%rther attac+> the metal is said to &e

a) 3eacti


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66. $he control addition of 555 A and 5 A mem&ersin Silicon and :ermani%m is +nown as

a) 5nert pair effect &) "opingc) 4itharge d) 3ed lead

6. F H type of semi cond%ctor are formed &ymiing Silicon or :ermani%m with mem&ers of

a) 555 A &) 5 Ac) A d) 5 A

69. 4itharge is chemically

a) F&7 &) F&7#c) F&*7 d) F&(C!*C77)

'. $he 7ctet r%le is not followed &y

a) Boron on BCl* &) 7ygen in !#7c) Nitrogen in N!* d) Fhosphor%s in F!*

1. Which of the following elements showoidation state of / * only?

a) B &) :ac) 5n d) $i

#. of the following is not metallic innat%re.

a) Boron &) Al%min%mc) 5ndi%m d) $halli%m

*. $he oides of Boron are in nat%re.

a) Acidic &) Basicc) Ne%tral d) None of these

. 7rtho&oric acid on heating to a&o%t 1''oClooses a water molec%le to form

a) 2eta&oric acid&) Fyro&oric acidc) 2eta&oric and pyro&oric acidd) None of these

-. $he f%nction of 0l%orspar in the electrolytic

red%ction of al%mina dissol


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9. $he n%m&er and type of &onds &etween two

car&on atoms in CaC#are

a) 7ne sigma and one pi &ond&) 7ne sigma and two pi &ondsc) 7ne sigma and one and a half pi &ondd) 7ne sigma &ond

96. Al%min%m is diagonally related to

a) 4i &) Sic) Be d) B

9. Which of the following halides is least sta&le

and has do%&tf%l eistence?

a) Cl &) Sn5c) :e5 d) F&5

99. 5n which of the following phosphor%s has anoidation state of / ?

a) F7 &) F7c) F79 d) None of these

CHAPTER # %ro!" $ and $ Elements

1. 7%t of all the elements of gro%p A the highestioni;ation energy is possessed.

(A) N (B) F(C) S& (") Bi

#. 5n gro%p A elements the mostelectronegati


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1'. Nitrogen and phosphor%s of gro%p A showthe typical properties of

(A) 2etals (B) Non82etals(C) Both of the a&o N7 and N7#(B) N7> N7#(C) N#7> N7#(") N#7> N7> N7#> N#7*L N#7-

1-. "i8Nitrogen oide is a colo%rless gas.

(A) With a faint pleasant smell and a sweetishtaste.

(B) With %npleasant smell and &itter taste.(C) With pleasant smell and &itter taste.(") With %npleasant smell and sweetish

1. Nitric acid is %sed for.

(A) 2a+ing


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a) Qol+ of egg &) Bonec) Ner


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&) C#!-7! and Na metalc) 2g and steamd) Fhenol and sodi%m metal

-'. Why it is diffic%lt to form nitrogen compo%ndsfrom gaseo%s nitrogen

a) All its reactions are endothermic

&) $he &ond dissociationc) 5t contain triple &ondd) 5ts first ioni;ation energy is


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a) S7# &) 2n7#c) Al#7* d) Cr7*

6'. Which of the following acids does notin


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(A) d8or&itals (B) s8or&itals(C) p8or&itals (") None

1'. Which of the following has greatest red%cingpower?

(A) !5 (B) !Br(C) !C5 (") !5.

11. Bad cond%ctor of electricity is

(A) !#0# (B) !C5(C) !Br (") !5

1#. Bleaching power is o&tained &y the actionchlorine gas and

(A) "il%te sol%tion of Ca(7!)#(B) Concentrated sol%tion of Ca(7!)#(C) "ry Ca7

(") "ry sla+ed lime.

1*. 2ar+ the element which shows only oneoidation state in its compo%nds

(A) 0 (B) C5(C) Br (B) 5.

1. Which of the following halogens has thehighest &ond energy ?

(A) 0# (B) C5#(C) Br# (") 5#.

1-. Which halogen is most electropositi


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(A) 08 (B) C58

(C) Br8 (") 58

#9. Which one of the following elements can ha noon glows

(A) Bl%ish (B) 3eddish(C) Fin+ish (") :reenish

*#. Vef #molec%le is

(A) 4inear (B) $rigonal planar(C) Fyramidal (") S,%are planar.

**. $he forces acting &etween no&le gas atomsare

(A) ander Waals forces(B) 5on8dipole forces(C) 4ondon disperslon forces(") 2agnetic forces.

*. Fercentage of Ar in air is a&o%t

(A) 1 (B) #(C' * (")

*-. $he str%ct%re of Ve0is

(A) "istorted octahedral(B) Fyramidal(C) $etrahedral(") None of the a&o


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d) Fresence of three dimensional net wor+ of! H &ond

9. $he order of increasing dissociation of !V at1'''oC is

a) !5 (**) !Br ('.-) !Cl ('.'1) !0 (')

&) !Br !5 !0 !Clc) !Cl !Br !5 !0d) !0 !Cl !Br !5

-'. $he halogen which form %nsta&le oides is

a) 0 &) Clc) Br d) 5

-1. $he most recently prepared oyacid ofhalogen is

a) !7Cl &) !Br7*

c) !57 d) !70

-#. $he increasing order of acidity and oidi;ingpower of 7yacids d%e to increasing n%m&erof oygen atoms is

a) !V7 !V7# !V7* !V7&) !V7 !V7* !V7# !V7c) !V7* !V7# !V7 !V7d) None of these

-*. $he a


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c) Breathing &y fishesd) All of these

6. $yres of large aeroplane contain

a) !e &) Nec) Ar d) Kr

. Which enon fl%oride is impossi&le?

a) Ve0# &) Ve0c) Ve0 d) Ve0*

9. $he type of hy&ridi;ation does the oygen hasin 70#is

a) SF# &) d#SF*c) SF* d) dSF*

6'. $he gas that will li,%efy with most diffic%lty is

a) !e &) C7#c) N!* d) S7#

61. Which of the following is radioacti chlorine hasan oidation state of /*?

a) !Cl7 &) !Cl7#c) !Cl7* d) !Cl7

66. $he process &ased on the oidation ofhydrochloric acid with oygen is

a) Nelsons cell &) Contact processc) "owns process d) "eacons process

6. Chlorine gas is in color.

a) Qellow &) :reenish Qellowc) iolet d) Bl%e

69. $o +ill &acterial> moist of the drin+ing water istreated with

a) Nitrogen &) Car&on dioidec) Chlorine d) !ydrogen s%lphide

'. Fhosgene is the common name of

a) Car&on dioide and phosphate

&) Fhosphoryle chloridec) Car&onyle chlorided) Car&on tetrachloride

1. !ydrofl%oride acid is

a) A powerf%l oidi;ing agent&) A wea+ acidc) A strong acidd) A good red%cing agent

#. Bleaching powder is o&tained &y theinteraction of Cl#and

a) Sla+ed lime&) Conc. Sol%tion of 2g(7!)#c) "ry Ca7d) "ry sla+ed lime

*. $he element which li&erates 7#form water is

a) F &) Nc) 0 d) 5

. Which forms maim%m compo%nds withenon?

a) 0 &) Clc) Br d) 5

-. Which of the following rare gases is notpresent in the atmosphere?

a) !e &) Vec) Kr d) 3n

. $he str%ct%re of Ve70is

a) $etrahedral &) S,%are pyramidalc) "istorted d) 5rreg%lar pentagonal

6. Which of the following fl%orides of enon is noto&ser


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a) Vef &) Ve0#c) Ve0 d) Ve0

CHAPTER # *+Transition Elements

1. Which of the following is a non8typicaltransition element ?

(A) Cr (B) 2n(C) n (") 0e

#. Which of the following is a typical transitionmetal ?

(A) Sc (B) Q(C) 3a (") Co

*. f8&loc+ elements are so called.

(A) Non8typical transition element(B) 7%ter transition elements(C) Normal transition elements(") 5nner transition

. $he strength of &inding energy of transitionelements depends %pon

(A) N%m&er of electron pairs(B) N%m&er of %npaired electrons(C) N%m&er of ne%trons

(") N%m&er of protons

-. :ro%p 5B of transition elements contains

(A) n> Cd > !g (B) 0e> 3%> 7s(C) Cr> 2o> W (") 2n> $e> 3e

. Which is the form%la of tetra8amine chloronitro platin%m (5) s%lphate ?

(A) XFt(N!*)(N7#)YS7(B) XFt N7#C5 (N!*)YS7(C) XFt C5 (N7#)(N!*)YS7(") XFt (N!*)(N7#)C5YS7

6. $he percentage of car&on in different types ofiron prod%cts is in the order of .

(A) Cast iron wro%ght iron steel(B) wro%ght iron steel cast iron(C) cast iron steel wro%ght iron(") cast iron @ steel wro%ght iron

. $he colo%r of transition metal complees isd%e to.

(A) d8d transitions of electrons(B) Fara magnetic nat%re of transition element(C) 5oni;ation(") 4oss of s8electrons

9. Coordination n%m&er of Ft in

Xt C5 (N7#)(N!*)Y8# is.

(A) #8 (B) (C) 1 (")

1'. $he total n%m&er of transition elements is.

(A) 1' (B) 1(C) ' (") -'

11. $ransition metals ha molec%le or

ion

27


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1-. $he transition elements incl%des.

(A) $i> 0e> Cr> Ni> C% etc(B) $i> 0e> N&> $a> $h> etc(C) 2o> W> r> N&> etc(") $i> 0e> Ci> Ni> C%> 2o> W> r> N&> $a> $h>

etc

1. n has

(A) ero %npaired electrons(B) 0i wro%ght iron> or steelscrap

(B) Gsing cast iron(C) I%st wro%ght iron

(") None of the a&o


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*1. $he location of transition elements is in&etween

a. 4anthanides L actinides&. s and p &loc+ elementsc. chalcogens and halogensd. d and f &loc+ elements

*#. Compo%nds attracted &y applied magneticfield are called

a) "iamagnetic &) Faramagneticc) :ood cond%ctor d) 0erromagnetic

**. When light is eposed to transition element>then electrons I%mps from lower or&itals tohigher or&itals in

a) f8or&itals &) s8or&italsc) p8or&itals d) d8or&itals

*. $he specie which donates electrons to centralmetal atom in co8ordination sphere is called

a) Anion &) Cationc) 4igand d) Acid

*-. 0ollowing ion is a &identate 4igand?

a) Ammonia &) 7alatec) Car&onyl d) Cyanide

*. $he central atom along with 4igand is called

a) Comple ion &) Coordination spherec) 4igand d) Comple compo%nd

*6. :eometry of comple compo%nds depends%pon

a) no. of ligand&) no. of chelatesc) hy&ridi;ation of central metal

d) All of a&o the epectedgeometry will &e

a) $etrahydral &) S,%are planar c) $rigonal &ipyramidal d) 7ctahedral

*9. Any process of chemical decay of metals d%eto action of s%rro%nding medi%m is called

a) S%rro%nding &) =namelc) Corrosion d) Coating

'. When an acti


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6'. XC%(N!*)Y#/is an eample of

a) S,%are planar&) $etrahedral compleesc) 7ctahedral compleesd) None of these

61. XCo(N!*)Y*/is an eample of

a) S,%are planar&) $etrahedral compleesc) 7ctahedral compleesd) None of these

6#. $he names of are %s%ally %nchanged.

a) Anionic ligands &) Cationic ligandsc) Ne%tral ligands d) None of these

6*. $he s%ffi DateE at the end of the name of thecoordinate comple ion represents aJan

a) Cation &) Anionc) Cathode &) Anode

6. 0erric oide is

a) A &asic anhydride&) An acid anhydridec) An amphoteric anhydrided) :reen in colo%r

6-. $he most strongly ferromagnetic element is

a) 0e &) Coc) Ni d) 7s

6. $he property of a s%&stance which permits it

&eing drawn into wire is called

a) Softness &) "%ctilityc) Brittleness d) !ardness

66. When potassi%m permanganate is added to asat%rated a,%eo%s sol%tion of potassi%mhydroide> gas is e


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(A) $wo sigma &ond(B) 7ne sigma and one pi &ond(C) 7ne sigma and two pi &ond(") $wo pi8&ond

6. =thers show the phenomenon of

(A) Fosition isomerism

(B) 0%nctional gro%p isomerism(C) 2etamerism(") Cis8trans isomerism.

. Select from the following the one which isalcohol.

(A) C!*88888888C!#888888887!(B) C!*888888888788888888888C!*(C) C!*C77!(") C!*88888888C!#88888888Br

9. =arly chemists recogni;ed organic compo%ndsdistinct from inorganic compo%nds &eca%se of

(A) $he difference in their origin andproperties

(B) $he similarities in their origin &%tdifference in their propertied

(C) Both of the a&o petrole%m and nat%ral gas are importantso%rces of.

(A) 7rganic compo%nds

(B) 5norganic compo%nds(C) Both of the a&o


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d) No reg%lar character present

##. Coal is prod%ced after a long time decay of

a) Animals &) 0ossilsc) Wood d) 7res

#*. =ther f%nctional gro%p can &e representedas

a) H7! &) 38C783c) 38783 d) 38C77!

#. #8propanol can show isomerism as

a) 2etamerism&) 0%nctional gro%p isomerismc) :eometric isomerismd) None of a&o the hy&ridi;ation is

a) sp# &) spc) sp d) All

#9. 7ctane no. of any f%el can &e impro


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#. $he maim%m n%m&er of isomers for anal+ene with molec%lar form%la C!is

a) # &) *c) d) -

*. Which of the following is most sta&le ion?

a) C!*H !#C/ &) (C!*)#!C/c) (C!*)*C/ d) All of these

. Which of the following is not an organiccompo%nd?

a) Grea &) 7alic acidc) Nat%ral gas d) Flaster of Faris

-. Kerosine oil is a mit%re of

a) Al+ane &) Al+enec) Al+ynes d) All of these

. Which of the following compo%nds does notcontain an 7! gro%p?

a) Alcohol &) Fhenolc) Aldehyde d) Car&oylic acid

6. $he chemical form%la of chloride is

a) C!*7! &) CCl*7!c) CCl*C!7 d) None of these

. Fetrole%m in the %nrefined form is called

a) 3oc+ oil &) Coal gasc) Cr%de oil d) Both a L c

9. Nat%ral gas mainly consists of

a) 2ethane &) =thanec) Fropane d) B%tane

-'. is a mit%re of methane> ethane>propane and &%tane> %sed as a f%el and forma+ing other organic chemicals.

a) 3efinery gas &) :asolinec) Kerosene oil d) :as oil

-1. A large n%m&er of organic compo%nds>especially the %nsat%rated ones> show a greattendency to %nit. $his process is termed as

a) Fyrolysis &) Crac+ingc) Folymeri;ation d) None of these

-#. An isomer of ethanol is

a) "imethyl ether &) "iethyl ether c) =thylene glycol d) 2ethanol

-*. When ethylene is heated %nder press%re> atransparent solid polymer> iso&tained.

a) Folyethene &) =thane

c) 2ethane d) None of these

-. $he ,%ality of petrole%m is determined &y

a) "ecane n%m&er &) 7ctane n%m&erc) !eane n%m&er d) None of these

--. $wo or more than two different compo%ndsha which in


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a) Ft &) Al%%minosilicatec) Ni d) $etra ethyl lead

'. 5n CClmolec%le the fo%r


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&. Gnsat%rated hydrocar&onc. Faraffinsd. a L c

-. Sa&atiers Sendrens reaction in


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a. An alloy of Ni8C%&. Alloy of Ni80ec. Alloy of Ni8Ald. Alloy of Ni82g

#. Which mem&er of 5 A has little tendency toform anions or cations?

a) F& &) Snc) :e d) C

#-. Al+anes d%e to little chemical reactial+alies> K2n7or other oidi;ing agents thislac+ of reacti the angle isminim%m &etween

a) SF* &ond &) F and Fy or&italsc) ! H 7 H ! in water d) SF &ond

*'. $he compo%nd with highest &oiling point is

a) n H heane

&) n H pentanec) # H methyl &%taned) #> # H dimethyl propane

*1. Alcoholic K7! sol%tion is %sed for

a) "ehydrogenation&) "ehalogenationc) "ehydrohalogenationd) "ehydration

*#. Which is least sol%&le in water?

a) Fhenol &) Ben;enec) Ben;oic acid d) =thanol

**. Baeyers test is %se to detect the &ond in anorganic compo%nd

a) Single &ond &) "o%&le &ondc) $riple &ond d) All of these

*. =thylene reacts with Baeyers reagent to form

a) C7#and !#7 &) =thyl alcoholc) =thylene oide d) =thylene glycol

*-. When ethylene reacts with chlorine to form anoily prod%ct. $his oily prod%ct is called

a) Baeyers test &) Bromine water c) "%tch H li,%id d) :lycol

*. Which of them is %sed as general anesthetic?

a) =thane &) =thenec) =thyne d) =ther

*6. $he positi


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a) Fropyne &) Fropanolc) Fropanal d) # H Fropanol

. 2ar+owni+offs r%le pro


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a) $etrahedral frame wor+&) Flanar molec%lec) 4inear str%ct%red) None of these

#. Al+enes %ndergo

a) Addition reaction

&) S%&stit%tion reactionc) Both addition L s%&stit%tion reactiond) None of these

*. does not react with a,%eo%s sol%tionof acids> al+alies> or potassi%m permanganateor other oidi;ing agents and most of the %s%alla&oratory reagents.

a) Ben;ene &) =ther c) 2ethane d) Acetic acid

. $he 5GFAC name for the following compo%nd

is C!* C!#C!#C!* ] ]

C!* H C! H C! H C! H C! @ C!#]

C!*a) > - H dimethyl H * H propyl H # H heene&) > - H dimethyl H * H propyl H 1 H heenec) *H propyl H * H dimethylpropyl H 1 H heaned) #> * H dimethyl H H propyl H - H heane

-. 2ar+o the s%lphonicgro%p is attached with &en;ene ringthro%gh

a) !ydrogen &) 7ygenc) S%lpher d) H7!

39


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*. Fhenanthrene &en;ene rings

a) $wo &) $hreec) 0o%r d) 0i


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a. !eating so. Salt of Ben;oic acid withsoda lime

&. "istillation phenol with n d%stc. Chloro&en;ene with Na7! at *'

UC L *''atm.d. !ydrolysis of &en;ene s%lphonic acid

with s%per heated steam.

#'. What is the ratio of conc. !N7*L conc.!#S7when nitration of &en;ene is done at-'UC?

a) 11 &) #1c) 1# d) #*

#1. 5n 0riedel Craft Al+ylation> AlCl*is %sed togenerate

a. Strong n%cleophile&. Wea+ n%cleophilec. Strong electrophite

d. Wea+ electrophite

##. Acylation of &en;ene is the introd%ction ofon &en;ene.

7__

a. 3 C ` 7 7__

&. Cl ` C ` 7__

c. 3 C 7

__d. ! ` C `

#*. Acetophenone is a

a) R%inone &) Ketonec) Aldehyde d) 7ther

#. 3eacting &romine with &en;ene in thepresence of s%nlight will res%lt in

a. $he r%pt%ring of Ben;ene mg&. S%&stit%tion reactionc. Addition reactiond. No8reaction

#-. Ben;ene does not %ndergo

a. S%&stit%tion reaction&. Addition reactionc. Folymeri;ation reactionsd. 7idation reactions

#. "%ring s%lphonation of &en;ene> !#S7generates electrophile

a) !S78 &) S7#

c) N7#8 d) N7#/

#6. Nitroni%m ion is

a) N7* &) N7c) N7#8 d) N7#/

#. Which compo%nd will readily %ndergo

s%lphonation?

a) Ben;ene &) Nitro &en;enec) :ol #' KJ mole isli&erated

&. C8! &ond length in &en;ene is 1.'9Aoc. 2olec%lar mass of &en;ene is 6.1'd. 3esonance energy of &en;ene is

1-'.- K Cal J mole

*1. $he preparation of &en;ene from acethylenecan also &e said as

a) 7idation &) Folymeri;ationc) "ehydration d) Condensation

*#. What is re,%ired other then anhydro%s AlCl*>when tol%ene is prepared from 0riedel craftreaction?

a) C! &) C!/ C!*Clc) C!-C#!-d) C!-` C!#`

**. 3eplacement of hydrogen of &en;ene &y al+ylgro%p in press%re of al+yl halide L ferricchloride is +nown as

a. "ows process&. 0riedel L Craft acylationc. 0riedel L Craft al+ylationd. Clemenson reaction

*. Which of the following radical is called &en;ylradical?

a) C!-` &) C!-`C!@C!#c) C!-`C!` d) C!-`C!#`

*-. Which compo%nd form &en;oic acid onoidation with strong oidi;ing agent?

a) $ol%ene &) =thyle &en;ene

41


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c) n8propyl &e;ene d) all

*. $ol%ene can &e con


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--. $he catalyst %sed for halogenation of &en;eneis

a) C% &) Nic) 0eCl* d) n

-. Which one is nitroni%m ion?

a) 13

NO &) 12

+

NO

c) 14

+

NH d) None of these

-6. Which s%&stit%ent gro%p decrease thereacti &eca%se they

a) 5ncrease the electronic density of &en;enering

&) "ecrease the electronic density of&en;ene ring

c) "ecrease the sta&ility of phenoni%m ion

d) Both & L c

-. Ben;ene on o;onolysis prod%ces

a) Ben;oic acid &) Cycloheanec) :lyoal (C!7#)# d) None of these

-9. 2eta orienting gro%ps decrease the reacti


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a) 3Cl/S/!Cl &) 3Cl/S7#/!Clc) 3Cl/S7#/!#7 d) 3Cl/S/!#7

#. Which C8V &on has the h ighest &ondenergy

per mole?

a) C80 &) C8Clc) C8Br d) C85

*. Which al+yl halides has the highestreacti

for a partic%lar al+yl gro%p?

a) 380 &) 38Clc) 38Br d) 385

. #. is the electronegati


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c. $ertiary al+yl halided. All

1. =limination &imolec%lar reactionsin


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&eca%se.

(A) $hey ha


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-1) $he chemical reaction in which !V is remo


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c) Al+enes d) Alcohols

61) 7n passing C7#thro%gh :rignard reagent is formed.

a) 2ethanoic acid &) =thanoic acidc) Al+yl sodi%m halide d) None of these

6#) $he hydrolysis of al+yl halides &y heating witha,%eo%s al+ali is a s%&stit%tionreaction.

a) =lectrophilic &) N%cleophilicc) Both a L & d) None

6*) =thyl &romide can &e con

a) A,%eo%s K7! &) =thanoic K7!c) 2oist sil


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CHAPTER # 11Alco/ols P/enols and Et/ers

1. Which one of the following is termed as&en;yl

alcohol?

a) C!-7! &) C!-C!(7!)#c) C!-C!#7! d) None

#. Which one of the following is also +nownas

lactic acid?

a) *8hydroy propanioc acid&) #8hydroy propanioc acidc) #8hydroy &%tanoic acidd) *88hydroy &%tanoic acid

*. Which one of the following is also +nown

astartaric acid?

a) #>*8dihydroy &%tanedioic acid&) #>#8dihydroy &%tanedioic acidc) #>*8dihydroy &%tanioc acidd) #>#8dihydroy &%tanioc acid

. Water gas heated at -'UC and #'' atmpress%re in the presence of n7/Cr#7*willprod%ce

a) 2ethanal &) 2ethanol

c) Car&onic acid d) 2ethane

-. $he resid%e o&tained after thecrystalli;ation of

s%gar from concentrated s%gar cane I%ice iscalled

a) 2other li,%or &) 0iltratec) =tract d) 2olasses

. $he form%la of starch is

a) C1#!##711 &) C!97-c) C!1'7- d) C!1#7

6. $he process of fermentation of starchin*8"imethytheane88ol.

1#. Action of nitro%s acid on ethylamine gi


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a) 0ats &) Fropyienec) Both d) None

#1. $he en;yme which can catalyse thecon


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a) C!*C!(7!)# &) C!*C(7!)*c) C#!-7! d) None of these

'. :lycol is alcohol

a) 2onohydric &) "ihydricc) $rihydric d) Both a L &

1. Wood Naphtha is the commercial name of

a) =thyl alcohol &) Aldehydec) 2ethyl alcohol d) Acetic acid

#. =thyl Alcohol is denat%red &y adding

a) C!*7! L C!*C77!

&) C!*C77! L C!*C7C!*c) C!*7! L Fyridined) None of these

*. 2ethylated spirit is

a) F%re methyl alcohol&) 2ethyl alcohol containing waterc) 2ethanol containing methanald) =thanol containing methanol

. Alcohol reacts with car&oylic acids> acid anhydrides and acid halides to form

a) =ther &) Ketone&) =sters d) Aldehyde

-. Strongly acidic sol%tion of Na#Cr#76is re,%iredfor the oidation of

a) Frimary alcohol &) Secondary alcoholc) $ertiary alcohol d) All of these

. 4ow temperat%re and ecess of Alcohol fa oygen atom of the=ther forms

a) Car&oni%m ion &) Car&on ion

51


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c) 7oni%m ion d) 7ide ion

-9. Williamsons synthesis is %sed to prepare

a) Alcohols &) =thersc) =sters d) Aldehydes

'. Wa contains

a) H 7! :ro%p &) H C!7 :ro%pc) Ketonic :ro%p d) =ster :ro%p

1. Fhenol reacts with Bromine water to form

a) Ficric acid &) $N$c) $ri&romo phenol d) $ol%ene

#. Which one is methoy methane?

a) 7lefins &) Faraffinsc) "imethyl ether d) "imethyl +etone

*. Alcohol reacts with an organic acid to yield

a) An ester &) Ketonec) Al+yl halides d) =ther

. $he con


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a) =ther &) Acetonec) =thylene d) Acetaldehyde

1. 3ectified spirit contains alcohol.

a) 9-. &) 6-.'c) 1''.' d) -.

#. Frimary> secondary and tertiary alcohols may&e disting%ished &y %sing

a) 0ehlings sol%tion &) ictor 2eyer testc) !ofmann set d) Beilstein test

*. 5n cold co%ntries glycerol is added to water incar radiators as it helps to

a) Bring down the specific heat of water

&) 4ower the free;ing pointc) 3ed%ce the


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a) SchiffOs reagent &) Conc. !#S7c) Anhy. Nci# d) 3esorcinol.

1'. An aidehyde on oidation gi


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a) Chloropicrin &) Ficric acidc) Cyclonite d) None of these

*'. Which one of the following reactions is notgi


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9. $he 5GFAC name of 7!C H C!7 is

a) :lyoal &) =thane81> #8dial

c) Both a L & d) None is correct

-'. $he 5GFAC name of7!C H C!#H C! @C! H C!7 is

a) Fent8#8ene81> -8dial&) Fropene dialdehydec) Frop818en81> *8diald) None of the a&o


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C/a"ter (o+ 13Car)o6ylic Acids & T/eir 7eri8ati8es

1) $he f%nction gro%p in Citric acid is

a) H 7! &) H 73c) H C77! d) H C773

#) =sters ha hygroscopicsolid and is also +nown as

a) "il%te acetic acid&) :lacial (ice li+e) acetic acidc) 2ethanoic acidd) None of these

) Acetyl chloride is formed &y the reaction ofacetic acid with

a) $hionyl chloride &) Ammoniac) Alcohol d) Sodi%m hydroide

6) Acetic acid is a wea+ acid &eca%se in a,%eo%ssol%tion it is

a) !ighly ioni;ed&) Wea+ly ioni;edc) 5nsol%&le in water

d) No replacea&le hydrogen

) Which of the following is a mono&asic acid?

a) !#S7 &) !#C7*c) !*F7 d) C!*C77!

9) !ydrolysis of esters in al+aline medi%m is

called

a) Sponification &) !ydrationc) =sterification d) None of these

1') Which one of the following does not ha theformer one is

a) 4ess acidic &) 2ore acidicc) Same strength d) 2ore &asic

1-) Beta hydroyl propionic acid is

a) Citric acid &) Aspartic acidc) 7alic acid d) 4actic acid

1) 0ormic acid can red%ce

a) 2erc%ric chloride &) $ollens reagentc) K2n7 d) All of these

16) $he n%m&er of ! H &onds formed per molec%leof car&oylic acid are

a) &) *c) # d) 1

1) $he attachment of electron withdrawinggro%ps res%lt into the

a) 5ncrease of acidity &) "ecrease of acidityc) 5ncrease of strength d) All of these

57


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19) $he firs fo%r mem&ers of car&oylic acid arecompletely sol%&le in water. $his is d%e to

a) Acidic nat%re &) ! H &ondingc) Folymeri;ation d) 3ed%ction

#') Sodi%m &i car&onate when reacts with a

compo%nd DVE as res%lt C7# li&erates witheffer the prod%ctformed is

a) Acetyl chloride &) 2ethyl chloridec) 2ethyl ester d) Chloro acetic acid

#*) Which of them has two f%nctional gro%ps?

a) Amino acid &) Salicylic acidc) Acetone d) Both a L &

#) Amino acids ha


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hydridi;ed

a) SF* &) SF#

c) SF d) None

*9) Which one of the following will increase theacidity of car&oylic acid?

a) 7! &) N7#c) H CN d) Both & L c

') Which one will decrease the acidity ofcar&oylic acid?

a) 7! &) N!#c) Al+yl gro%p d) All

1) Which one is less acidic?

a) C!#H C77!]

Cl&) Cl#H C! H C77!c) C!*H C77!d) Cl*.C.C77!

#) Which one is more acidic?

a) !C77! &) C!*C77!c) C#!H C77! d) C#!6H C77!

*) Which ha


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-6) $otal n%m&er of essential amino acids

a) 1' &) #'c) H *' d) H '

-) N!#]

3 H C! H C778 is called

a) Amino acid &) b amino acidc) amino acid d) None

-9) $he acid prod%ced in the sting of &ees andants is

a) Acetic acid &) 0ormic acidc) Car&onic acid d) 7alic acid

') $he con


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a) C!*C77C#!-/ C!*7!&) C!*C!#C77C!*/ C!*7!c) A mit%re of &oth the a&o


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C/a"ter # 1%9acromolec!les

1. Which of the following is polymeri;ationprocess?

a. $he crac+ing of petroel%m&. 0ractional disstillation of cr%de oil

c. 0ormation of polyethend. !ydrolysis of protiens

#. Which one is addition polymer?

a. Nylon8 &. Folystyrenec. $erylene d. =poy resin

*. Which is synthetically prepared polymer?

a. Animal fat &. Starchc. Cell%lose d. FC

. egeta&le oils are

a. Gnsat%rated fatty acids&. :lycerides of %nsa%rtated faty acidsc. :lycerides of stt%rated fatty acidsd. =ssential oils o&rained from plants

-. $he water sol%&le


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#1. $he gro%p of chemical reagents that ta+e partin life s%staining process is called

a. Wa &. 3efinery gasc. 0ood d. None of these

##. A &alanced diet m%st contain at least

a. $wo n%trients &. 0o%r n%trientsc. Si n%trients d. $hree n%trients

#*. Which one of the following is a single n%trientfood?

a. Starch &. Boneyc. 2il+ d. :l%cose

#. 2il+ is a food containing

a. Single n%trient &. "in%trient

c. 2%ltin%trient d. None of these

#-. Which of these are the so%rces of energy aswell as so%rce for &%ilding of tiss%es?

a. Froteins &. 0atsc. Car&ohydrates d. All of these

#. Which n%trients reg%late the &ody processes?

a. 2inerals &. itaminsc. Water d. All of these

#6. $he prod%ct of oidation of gl%cose is

a. C7# &.Waterc. =nergy d. All of these

#. $he oidation of fats prod%ces

a. C7# &. C7#/ !#7c. C7#/ !#7 / = d. None of these

#9. $he oidation of protein prod%ces %rea inaddition to

a. C7# &. Waterc. Nitrogen d. Both a L &

*'. :l%cose is stored in the li


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#. Cholesterol is a steroid which is the importantprec%rsor of

a. Se hormones &. Adrenal hormonesc. itamin " d. All of these

*. :allstones contain

a) 0ree cholesterol&) Com&ine cholesterolc) Starchd) 2annose

. =n;yme acti c. $eflon d. Folyester

-. A copolymer is formed &y polymeri;ation of

a) A single type of monomer&) $wo types of monomersc) $hree types of monomersd) All of these

-9. A polymer is formed &y polymeri;ation of threedifferent types of monomers is

a. Copolymer &. !omopolymer c. 2onomer d. All of these

'. Qeast is a

a) Bacteria &) Anti&ioticc) ir%s d) 0%ngi

1. Folyester resins are the prod%ct of the reactionof

a) Alcohol and aromatic acids&) Folyamines with aliphatic dicar&oylic acidsc) Styrene in the presence of catalystd) =pichlorohydrin with diphenylol propane

64


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#. =n;yme tripsin con


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C/a"ter 1C/emical nd!stries in Pakistan

1. Which processJ reaction gi


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#1. Which of the following is the most s%ita&lecatalyst for ammonia synthesis?

a) Ft &) n7 / Cr #7*c) 0e#7*/ 27#7* d) All of the a&o


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1. Fotassi%m fertili;ers are %sed for

a) 0r%its &) egeta&lec) $o&acco d) All of these

#. 0rom which of the following nat%ral fi&er is

o&tained?

a) Animal &) egeta&lec) 2ineral d) All of these

*. $he percentage of nitrogen in ammonia nitrateis

a) &) ** H **.-c) # d)

. N!N7*is %sed as a fertili;er for many cropsecept paddy rice &eca%se

a) 5ts gran%les are solid&) 5t is poisono%sc) 5t is ne%trald) $he micro&ial &acteria in flooded field

decompose N!N7*into N#gas

-. 2an%fact%ring of s%per phosphate fertili;erin


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1. $he percentage of s%lph%r in ammoni%ms%lphate is .

a) #- &) #1c) #* d) 19

#. Ammoni%m nitrate is sold as a mit%re with

a) Soda Ash &) 4imestonec) inc d) None of these

*. Any material> which changes the cleaningeffect of water is called

a) 0ertili;ers &) "etergentc) Acid d) None of these

. Commercial detergents contain mainly

a) 3C77N &) 37Nac) 3SNa d) 37S7*Na

-. $he principle former of almost all glasses is

a) (Si7#)n &) (Si7*)nc) (Si7#)V d) None of these

. Calcario%s material incl%des

a) 4ime stone &) 2ar&lec) Chal+ d) All of the a&o

Si7#> 0e#7*and Al#7*.d) $o red%ce the imp%rities

9. As&estos is a

a) 2ineral fi&er &) Animal fi&er c) egeta&le fi&er d) None of these

C/a"ter # 1*En8ironmental c/emistry

1. Feeling of o;one %m&rella is d%e to

a) C0Cs &) FANc) C7# d) Coal &%rning

#. ""$ is

a) Biodegrada&le pol%l%tant&) Nondegrada&le poll%tantc) Not a poll%tantd) An anti&iotic

*. 5ncreasing s+in cancer and high m%tation ratesare

a) Acid rain &) 7;one depletionc) C7 poll%tion d) C7#poll%tion

. Sewage water is p%rified &y

a) 2icroorganisms &) 4ightc) 0ishes d) A,%atic plants

-. G radiations &ring a&o%t

a) S+in cancer &) 2o%th cancer c) 4%ng cancer d) 4i


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11. C7 is harmf%l for h%mans as it

a) 5s carcinogenic

&) 5s antogonistic to C7#c) !as high affinity for heamoglo&in thanoygen

d) 5s destr%cti


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d) 5ncrease concentration of o;one

#9. =%trophication ca%ses red%ction in

a) "issol nose>throat> &ronchial tract and respiratory tractirritation are

a) !#S &) C7#c) N!* d) Both a L c

6. $he air poll%tant which is responsi&le forcorrosion and erosion is

71


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a) S7# &) Car&onc) Smo+e d) Aerosol

. Car&on and soot accelerate the corrosion anderosion d%e toa) Acidic nat%re&) Basic nat%rec) A&sorption or adsorption of the gaseo%s

poll%tant %pon these partic%lars materd) All of these

9. $he poll%tant which adhere to stones &ric+sand s%rface and ca%se fo%ling are

a) Smo+e and d%st&) Smo+e and aerosols

c) Aerosols and d%std) None of these

-'. Clean rain is

a) Basic &) Slightly &asicc) Slightly acidic d) All of these

-1. $he F! of ne%tral rain water is

a) -. &) .c) *. d) #.

-#. $he poll%tant which play an important role insmog formation

a) C7 &) N!*c) !#S d) All of these

-*. Fhotochemical smog is

a) 7idi;ing smog &) 3ed%cing smogc) Ne%tral smog d) Smo+e

-. 3ed%cing smog is formed &y the com&inationof

a) Smo+e &) 0ogc) "%st d) Smo+e L fog

--. $he poll%tant which res%lts into o;onedepletion is

a) C7 &) N!*c) !#S d) 0reon

-. $he photochemical smog is also calledoidi;ing smog which has high content ofoidant li+e

a) 7* &) S7#c) N!* d) All of these

-6. Fresence of hea


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c) 5ncineration d) All of these

6. $he chief poll%tant which li+ely to depleteo;one layer is

a) S7# &) N!*c) C7# d) C0#Cl#

. Which one of the following is not a componentof en

chemistry mcqs second year fsc punjab board pakistan

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