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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