| 1 |
There are ____________ types of solids. |
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| 2 |
1 atm = ? |
- A. 1 pascal
- B. 760 mm of Hg
- C. 1 atm
- D. 1 Nm<sup>-2</sup>
|
| 3 |
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>
|
| 4 |
Graphite is ___________ |
- A. Hard
- B. Nil
- C. Soft
- D. Nil
|
| 5 |
At ____________ °C water converts to ice. |
- A. 101°
- B. 100°
- C. 99°C
- D. 100.2°C
|
| 6 |
Atoms are arranged in ________________ structure in Bucky balls. |
- A. Hollow
- B. Cage
- C. A & B
- D. Nil
|
| 7 |
The mathematical formula of Charle's law is: |
- A. PV = k
- B. V/T = k
- C. P = VT
- D. T/V = k
|
| 8 |
Which is kept constant in the Charle's law: |
- A. Pressure
- B. Temperature
- C. Volume
- D. Mass
|
| 9 |
Which one of the following gas diffuses faster?<br> |
- A. hydrogen <br>
- B. helium <br>
- C. fluorine<br>
- D. chlorine<br>
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| 10 |
The vapour pressure of a liquid increase with the:<br> |
- A. increase pressure<br>
- B. increase of temperature<br>
- C. increase of intermolecular forces<br>
- D. increase of polarity of molecules<br>
|
