| 1 |
Es is symbol of : |
- A. Erbium
- B. Einsteinium
- C. Europium
- D. Fremium
|
| 2 |
NaCl + H2O is ____________ solutions. |
- A. Aqueous
- B. Binary
- C. H2O
- D. Nil
|
| 3 |
The forces of attraction present between the molecules of a substance are called ____________ forces. |
- A. Intermolecular forces
- B. Covalent
- C. Ionic
- D. Nil
|
| 4 |
Gases have ____________ shape. |
- A. Fixed
- B. Not Fixed
- C. Nil
- D. Both a & b
|
| 5 |
The escape of gaseous molecules one by one is called ____________. |
- A. Diffusion
- B. Effusion
- C. A & b
- D. Nil
|
| 6 |
Effusion is a property of: |
- A. Gases
- B. LIquids
- C. Solids
- D. Plasma
|
| 7 |
Diamonds exists in ____________ form. |
- A. Cubic
- B. Linear
- C. Circular
- D. Nil
|
| 8 |
The SI unit of pressure is:<br> |
- A. N
- B. N/m<sup>2</sup>
- C. Pascal <br>
- D. atm<br>
|
| 9 |
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>
|
| 10 |
Increase in ________________ increase evaporation. |
- A. Temperature
- B. Stronger
- C. All
- D. None of above
|
