question 1: has the molecular formula ch 3 ch 2 ch 3 … a m ethane b ethane c propane d butane
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Question 1: Has the molecular formula CH3CH2CH3…
A Methane
B Ethane
C Propane
D Butane
Question 2: Biodegradable polymer derived from cornstarch…
A Poly(ethene)
B Poly(lactic acid)
C Poly(styrene)
D Poly(propene)
Question 3: The thermal decomposition of a hydrocarbon by heating in the presence of a catalyst is called…
A Fractional Distillation
B Cracking.
C Fermentation.
D Hydration
Question 4: Cracking octane could make pentane and…
A Ethene
B Ethane
C Propene
D Propane
Question 5: Ethene and Butane could have been produced by cracking…
A Pentene
B Pentane
C Hexene
D Hexane
Question 6: Fermentation of glucose produces…
A ethanol and water
B ethanol and hydrogen
C sugar and oxygen
D ethanol and carbon dioxide
Question 7: An advantage of making ethanol by the hydration of ethene is its…
A Continuous process
B Renewable
C Fast
D Low reaction temperature
Question 8: An advantage of making ethanol by the fermentation of glucose is its…
A Batch process
B Renewable
C Slow
D Low reaction temperature
Question 9: The formula of ethanol is…
A CH3CH3
B CH2=CH2
C CH3OH
D CH3CH2OH
Question 10: The products of combustion of ethanol are
A Water
B Water and oxygen
C Carbon dioxide
D Water and carbon dioxide
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