Chemistry 1 Unit Test Review A Question Preview (ID: 33572)


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What happens to the molecules in substance during an endothermic change?
a) molecules speed up
b) molecules slow down
c) molecules retain the same motion
d) it depends on the change

Ductility is an example of _______.
a) chemical property
b) physical property
c) chemical change
d) compound

Anything that has mass and takes up space is classified as ______.
a) volume
b) density
c) matter
d) mass

A slice of apple floats in water. The apple is/has _______ than the water.
a) less dense
b) more dense
c) more mass
d) less mass

During a phase change, temperature _________.
a) will increase
b) will decrease
c) will increase then decrease
d) remains constant

Which change of state involves the taking away of heat energy?
a) melting
b) sublimation
c) condensation
d) evaporation

A/an ______ is when two or more elements are chemically combined.
a) mixture
b) colloid
c) element
d) compound

A ________ can be separated by physical means.
a) compound
b) molecule
c) mixture
d) element

______ can be used to determine the colors in a mixture of ink.
a) Chromatography
b) Flammability
c) Ductility
d) Luster

Determine the state of matter which has a definite volume but not shape.
a) solid
b) gas
c) plasma
d) liquid

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