the study of matter and the changes it undergoes is a field of study known as: a. geology b....
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The study of matter and the changes it undergoes is a field of study knownas:
A. geologyB. chemistryC. physicsD. biology
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Anything and everything that has mass and occupies space is known as:
A. volumeB. a solidC. matterD. a mineral
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Which one of the following substancesis an element?
A. piece of paperB. the ink on this pageC. oxygenD. sand
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Which one of the following substancesis a pure substance?
A. ranch dressingB. table saltC. soda popD. tap water
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A sample of matter that has a definite shape and definite volume is:
A. a solidB. a liquidC. a gasD. plasma
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A sample of matter that has anindefinite shape and a definite volume is:
A. a solidB. a liquidC. a gasD. plasma
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A sample of matter that has anindefinite shape and an indefinitevolume is:
A. a solidB. a liquidC. a gasD. plasma
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When a gas sample is converted into a liquid, the process is known as:
A. freezingB. boilingC. meltingD. condensingE. evaporation
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A. freezingB. boilingC. meltingD. condensingE. evaporation
When a solid sample is converted into a liquid, the process is known as:
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When a solid sample is converted intoa gas, the process is known as:
A. sublimationB. boilingC. meltingD. condensingE. deposition
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The temperature at which a solid isconverted into a liquid is called the:
A. boiling pointB. dew pointC. freezing pointD. melting pointE. condensation point
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The temperature at which a gas isconverted into a liquid is called the:
A. boiling pointB. dew pointC. freezing pointD. melting pointE. condensation point
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Which one of the following is a physical property of a liquid?
A. indefinite shapeB. particles are independent of each otherC. highly denseD. indefinite volume
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Of the three primary states of matter, which one normally hasthe highest density?
A. solidB. liquidC. gasD. not enough information to answer
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When white, crystalline sugar isheated, it decomposes into a colorlessliquid and a black solid. This suggeststhat sugar is:
A. an elementB. a mixtureC. a compoundD. not very dense
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Which of the following is an exampleof a chemical change?
A. boiling waterB. frying chickenC. paint dryingD. cutting your hair
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Which one of the following is a physical change?
A. burning woodB. dyeing fabricsC. erasing a mistakeD. charging a battery
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Which of the following is a chemicalproperty?
A. densityB. reactivity to acidC. colorD. lengthE. luster
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A sample of brass, a metal alloy, is classified as:
A. a pure substanceB. a compoundC. a homogeneous mixtureD. a heterogeneous mixture
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When an electric current is passed through liquid water, gases begin toform and bubble through the liquid.Water must be:
A. a mixtureB. an insulatorC. an elementD. a compound
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Which one of the following substancesis a heterogeneous mixture?
A. “smoggy” skyB. apple juiceC. mercuryD. a nickel