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