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Ch 2
Test Description: Physical Science
Instructions: Answer all questions to get your test result.
1) Which of the following is an example of a chemical change
A
paint fading
B
atom
C
pounding gold into a coin
D
ice melting
2) Digesting food is an example of
A
chemical change
B
buoyancy
C
physical change
D
change of state
3) A substance that cannot be broken down into simpler substances is a(n)
A
atom
B
compound
C
mixture
D
element
4) You put a spoonful of salt into 1 L of water and stir. The reulting liquid is an example of a(n)
A
pure substance
B
immiscible mixture
C
heterogeneous mixture
D
homogeneous mixture
5) Which of the following is an example of a chemical property
A
solubility in water
B
reactivity with oxygen
C
density
D
color
6) Which of the following is an example of a physical change
A
dissolving salt in water
B
rusting iron
C
burning wood into charcoal
D
cooking an egg
7) Sound is not made of matter because it has
A
no volume
B
no mass
C
no mass or volume
8) A substance that is made of atoms of more than one type chemically bound together is called a(n)
A
mixture
B
mixture
C
element
D
compound
9) When two or more pure substances are blended together, the result is a(n)
A
element
B
compound
C
molecule
D
mixture
10) For any pure substance, the boiling point and melting point will always
A
remain constant
B
change as the ambient temperature changes
C
change as the fuel source changes
*select an answer for all questions
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