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Chemistry 1 Unit Test Review A
Test Description: Review for the unit test
Instructions: Answer all questions to get your test result.
1) What happens to the molecules in substance during an endothermic change?
A
molecules slow down
B
molecules retain the same motion
C
molecules speed up
D
it depends on the change
2) Ductility is an example of _______.
A
chemical change
B
chemical property
C
physical property
D
compound
3) Anything that has mass and takes up space is classified as ______.
A
matter
B
density
C
mass
D
volume
4) A slice of apple floats in water. The apple is/has _______ than the water.
A
less mass
B
less dense
C
more dense
D
more mass
5) During a phase change, temperature _________.
A
will increase then decrease
B
remains constant
C
will increase
D
will decrease
6) Which change of state involves the taking away of heat energy?
A
melting
B
evaporation
C
sublimation
D
condensation
7) A/an ______ is when two or more elements are chemically combined.
A
element
B
colloid
C
mixture
D
compound
8) A ________ can be separated by physical means.
A
molecule
B
mixture
C
element
D
compound
9) ______ can be used to determine the colors in a mixture of ink.
A
Ductility
B
Chromatography
C
Luster
D
Flammability
10) Determine the state of matter which has a definite volume but not shape.
A
solid
B
gas
C
liquid
D
plasma
*select an answer for all questions
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