| 1 |
There are ____________ types of solids. |
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| 2 |
Carbon forms ____________ bonds in diamonds. |
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| 3 |
Force per unit area is called:<br> |
- A. volume <br>
- B. pressure <br>
- C. weight<br>
- D. density<br>
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| 4 |
Mass per unit volume is: |
- A. Velocity
- B. Dencity
- C. Pressure
- D. Nil
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| 5 |
Which one of the following does not affect the boiling point?<br> |
- A. intermolecular forces <br>
- B. external pressure<br>
- C. nature of liquid <br>
- D. initial temperature of liquid<br>
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| 6 |
Bucky balls was discovered in ________________ |
- A. 1965
- B. 1975
- C. 1985
- D. 1995
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| 7 |
Which has lowest density? |
- A. liquids
- B. Solids
- C. Gases
- D. Plasma
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| 8 |
The escape of gaseous molecules one by one is called ____________. |
- A. Diffusion
- B. Effusion
- C. A & b
- D. Nil
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| 9 |
The mathematical formula of Charle's law is: |
- A. PV = k
- B. V/T = k
- C. P = VT
- D. T/V = k
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| 10 |
The transition temperature of sulphur is: |
- A. 96 °C
- B. 250 °C
- C. 18 °C
- D. 218 °C
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