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- 1. Multiple Choice
A ______ contains some particles that are intermediate in size between small and large particles in a solution.
solution
colloid
suspension
element
- 2. Multiple Choice
When substances dissolve and form a homogeneous mixture it forms a __________.
colloid
solution
suspension
element
- 3. Multiple Choice
A heterogeneous mixture that separates into layers over time is called a __________.
solution
suspension
colloid
pure substance
- 4. Multiple Choice
There are two types of mixtures, homogeneous and ___________.
heterogeneous
suspension
colloid
pure substance
- 5. Multiple Choice
A substance that is made from 2 or more simpler substances and can be broken down into those simpler substances are
pure substances
compounds
elements
solutions
- 6. Multiple Choice
A substance that cannot be broken down into simpler substances is
element
solution
compound
mixture
- 7. Multiple Choice
Matter that ALWAYS has the exact same composition is
pure substance
homogeneous mixture
heterogeneous mixture
solution
- 8. Multiple Choice
A substance has a melting point of 0 C and a boiling point of 100 C. The substance is most likely
water
hydrogen
gold
table salt
- 9. Multiple Choice
Which is NOT the following characteristic of a chemical change?
production of a gas
formation of a precipitate
color change
density
- 10. Multiple Choice
How do the properties of a compound compare to the properties of the elements it contains?
They are both considered the same.
They are different.
One is pure and the other not pure.
- 11. Multiple Choice
How is the composition of a substance different from the composition of a mixture?
A substance is fixed.
A substance is fixed, while a mixture can vary.
Neither, they are both the same.
- 12. Multiple Choice
How is a chemical change different from a physical change?
They are both the same.
Chemical change involves a change in composition of matter, physical change does not change.
There is no difference.
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