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- 1. Multiple Choice
Substances are either elements or mixtures
True
False
- 2. Multiple Choice
The odor of a substance is a physical property
true
false
- 3. Multiple Choice
Smoke is a compound
true
false
- 4. Multiple Choice
a substance can be separated into simpler parts through differences n physical properties.
true
false
- 5. Multiple Choice
Colloids are mixtures.
true
false
- 6. Multiple Choice
The freezing of water is a chemical change
true
false
- 7. Multiple Choice
Homogeneous mixtures can be separated by physical changes.
true
false
- 8. Multiple Choice
Colloids and solutions scatter light
true
false
- 9. Multiple Choice
A fruit salad is a homogeneous mixture.
true
false
- 10. Multiple Choice
Color is a physical property
true
false
- 11. Multiple Choice
When a firecracker explodes, mass is lost
true
false
- 12. Multiple Choice
Distillation can separated dissolved substances through physical changes.
true
false
- 13. Multiple Choice
A suspension is a homogeneous mixture.
true
false
- 14. Multiple Choice
The breaking of a glass window is a physical change.
true
false
- 15. Multiple Choice
A(n) _____ is NOT homogeneous
suspension
element
compound
solution
- 16. Multiple Choice
the scattering of light by colloids is called _____.
the Tyndall effect
conservation
air pollution
suspension
- 17. Multiple Choice
Smoke is an example of a _____.
substance
solution
colloid
suspension
- 18. Multiple Choice
Three examples of physical changes are _____.
freezing of water, evaporation of gasoline, and rusting of a nail
boiling of water, bursting of a balloon, and melting of a candle
sawing of wood, crushing of a can, and toasting a marshmallow
burning of gasoline, rotting of an egg, and exploding of fireworks
- 19. Multiple Choice
The color of ink is a _____.
chemical property
physical property
chemical change
physical change
- 20. Multiple Choice
When two or more substances are combined so that each substance maintains its own properties, the result is a(n) _____.
chemical change
element
compound
mixture
- 21. Multiple Choice
When gasoline is burned in an engine, _____.
gasoline evaporates
new substances are formed
mass is lost
mass is gained
- 22. Multiple Choice
_____ is another name for a homogeneous mixture.
Suspension
Substance
Solution
Liquid
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