| 1 |
1 atm = ? |
- A. 1 pascal
- B. 760 mm of Hg
- C. 1 atm
- D. 1 Nm<sup>-2</sup>
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| 2 |
Which one of the following is not amorphous?<br> |
- A. rubber <br>
- B. plastic <br>
- C. glass <br>
- D. glucose<br>
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| 3 |
There are ____________ states of matter |
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| 4 |
In diamonds, carbon are ____________ bonded. |
- A. Tetrahedrally
- B. Single
- C. Double
- D. None
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| 5 |
Bucky molecules have ________________ c-atoms. |
- A. 20-60
- B. 20-90
- C. 40-60
- D. 40-100
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| 6 |
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>
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| 7 |
Diamonds is ____________ |
- A. Soft
- B. Hard
- C. Bulky
- D. Nil
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| 8 |
At ____________ °C water converts to ice. |
- A. 101°
- B. 100°
- C. 99°C
- D. 100.2°C
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| 9 |
Mass per unit volume is: |
- A. Velocity
- B. Dencity
- C. Pressure
- D. Nil
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| 10 |
Carbon forms ____________ bonds in diamonds. |
|