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- 1. Multiple Choice
This substance can be separated by physical means
Mixtures
Pure Substances
Elements
Compounds
- 2. Multiple Choice
This substance can be separated by chemical means only
Homogenous mixtures
Heterogeneous misxtures
Elements
Compounds
- 3. Multiple Choice
The composition of this substance is uniform throughout
Homogenous mixtures
Heterogeneous misxtures
Elements
Compounds
- 4. Multiple Choice
How does the amount of energy change in the substance in the phase change from a solid to a liquid?
energy is not affected
increases the amount of energy
decreases energy the amount of energy
amount of energy cannot be determined
- 5. Multiple Choice
How does the amount of energy change in the substance in the phase change from gas to a liquid?
energy is not affected
increases the amount of energy
decreases energy the amount of energy
amount of energy cannot be determined
- 6. Multiple Choice
How does the amount of energy change in the substance in the phase change from a solid to a gas
energy is not affected
increases the amount of energy
decreases energy the amount of energy
amount of energy cannot be determined
- 7. Multiple Choice
Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture.
Gold (Au) and Oxygen (O2)
Homogenous mixtures
Heterogeneous mixtures
Elements
Compounds
- 8. Multiple Choice
Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture.
Water (H2O), Table Salt (NaCl)
Homogenous mixtures
Heterogeneous mixtures
Elements
Compounds
- 9. Multiple Choice
Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture.
Gravel and Dirt
Homogenous mixtures
Heterogeneous mixtures
Elements
Compounds
- 10. Multiple Choice
Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture.
Maple Syrup and Seawater
Homogenous mixtures
Heterogeneous mixtures
Elements
Compounds
- 11. Multiple Choice
What are the two factors that affect the phase of a substance.
pressure and sunlight
pressure and temperature
sunlight and temperature
cannot be determined from the diagram
- 12. Multiple Choice
What letter identifies the LIQUID PHASE in the diagram
A
B
C
D
E
- 13. Multiple Choice
What letter identifies the TRIPLE POINT in the diagram
A
B
C
D
E
- 14. Multiple Choice
Identify the following changes as chemical or physical
Boiling Water
Chemical
Physical
Cannot be determined
- 15. Multiple Choice
Identify the following changes as chemical or physical
Burning Paper
Chemical
Physical
Cannot be determined
- 16. Multiple Choice
What is the normal boiling point (at 1.50 atm) of this substance?
500 oC
800 oC
100 oC
Cannot be determined
- 17. Multiple Choice
What is the normal freezing point (at 1.5.00 atm) of this substance?
-100 oC
350 oC
110 oC
Cannot be determined
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