| 1 |
Which one of the following gas diffuses faster?<br> |
- A. hydrogen <br>
- B. helium <br>
- C. fluorine<br>
- D. chlorine<br>
|
| 2 |
Energy of a shell is ________________ |
- A. Variable
- B. Constant
- C. Cannot be changed
- D. Nil
|
| 3 |
For ________________ "like dissolves like". |
- A. Metals
- B. Bonds
- C. Solubility
- D. Nil
|
| 4 |
The mathematical formula of Charle's law is: |
- A. PV = k
- B. V/T = k
- C. P = VT
- D. T/V = k
|
| 5 |
Neutrons have _________ charge. |
|
| 6 |
Metal can form ions carrying charges:<br> |
- A. Uni-positive<br>
- B. Di-positive<br>
- C. Tri-Positive <br>
- D. All of them<br>
|
| 7 |
Intermolecular forces are of three types and are collectively called ____________ |
- A. Nelson' forces
- B. Vander Waal's forces
- C. Neurons
- D. Nil
|
| 8 |
Which pair of compounds is soluble? |
- A. Ether and water
- B. KCI and water
- C. Benzene and water
- D. Petrol and water
|
| 9 |
Which one of the following is not an electrolytic cell:<br> |
- A. Down cell<br>
- B. Galvanic cell <br>
- C. Nelson' cell <br>
- D. Both a and c<br>
|
| 10 |
The no.of neutrons in deutrium is |
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