| 1 |
There are ____________ states of matter |
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| 2 |
The reverse of evaporation is: |
- A. Boiling
- B. Diffusion
- C. Condensation
- D. Freezing
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| 3 |
The absolute zero means: |
- A. 273.15 °C
- B. -273.15 °C
- C. 0 °C
- D. -373.15 °C
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| 4 |
Force per unit area is called:<br> |
- A. volume <br>
- B. pressure <br>
- C. weight<br>
- D. density<br>
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| 5 |
At freezing point which one of the following coexists in dynamic equilibrium?<br> |
- A. gas and solid <br>
- B. liquid and gas <br>
- C. liquid and solid<br>
- D. all of these<br>
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| 6 |
Intermolecular forces are ____________ than chemical bonds. |
- A. Stronger
- B. Weaker
- C. Wqual
- D. Nil
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| 7 |
Which has lowest density? |
- A. liquids
- B. Solids
- C. Gases
- D. Plasma
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| 8 |
1 torr = ? |
- A. 1 mm of Hg
- B. 1 atm
- C. 760 mm of Hg
- D. 1 pascal
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| 9 |
Solids are fixed ____________ |
- A. Shape
- B. Velocity
- C. Mass
- D. Atoms
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| 10 |
Carbon forms ____________ bonds in diamonds. |
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