| 1 |
Force per unit area is called:<br> |
- A. volume <br>
- B. pressure <br>
- C. weight<br>
- D. density<br>
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| 2 |
The escape of gaseous molecules one by one is called ____________. |
- A. Diffusion
- B. Effusion
- C. A & b
- D. Nil
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| 3 |
The SI unit of pressure is:<br> |
- A. N
- B. N/m<sup>2</sup>
- C. Pascal <br>
- D. atm<br>
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| 4 |
In diamonds, carbon are ____________ bonded. |
- A. Tetrahedrally
- B. Single
- C. Double
- D. None
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| 5 |
Graphite is ___________ |
- A. Hard
- B. Nil
- C. Soft
- D. Nil
|
| 6 |
Mobility is property of ____________ |
- A. Liquid
- B. Gases
- C. A & b
- D. Nil
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| 7 |
Carbon forms ____________ bonds in diamonds. |
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| 8 |
The forces of attraction present between the molecules of a substance are called ____________ forces. |
- A. Intermolecular forces
- B. Covalent
- C. Ionic
- D. Nil
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| 9 |
Atoms are arranged in ________________ structure in Bucky balls. |
- A. Hollow
- B. Cage
- C. A & B
- D. Nil
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| 10 |
There are ____________ types of solids. |
|