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- 1. Multiple Choice
Which of the following states of matter describes a substance with a strong attraction and takes the shape of its container?
solid
liquid
gas
- 2. Multiple Choice
The gas that is released from dry ice is an example of _______________.
evaporation
freezing
sublimation
deposition
- 3. Multiple Choice
Which of the following is an example of energy decreasing?
melting
boiling
evaporation
condensation
- 4. Multiple Choice
Which of the following cannot be separated by physical means?
steel
milk
fruit salad
water
- 5. Multiple Choice
Which of these images represents a colloid?
- 6. Multiple Choice
Which of these is NOT a physical property?
luster
volatility
corrosiveness
color
- 7. Multiple Choice
Which phase of matter has a definite shape and definite volume?
solid
liquid
gas
- 8. Multiple Choice
Which of the following substances is an element?
CO2
CH4
N2
NaCl
- 9. Multiple Choice
How can I identify a suspension from a colloid?
Use a light beam and look for a positive Tyndall effect.
Suspensions settle out over time when left undisturbed, while colloids stay mixed.
Colloids settle out over time when left undisturbed, while suspensions stay mixed.
Suspensions and colloids cannot be identified when compared to each other.
- 10. Multiple Choice
Oxygen gas is highly flammable. This is an example of a ___________________.
physical property
chemical property
physical change
chemical change
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