| 1 |
Which element has highest electronegativity? |
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| 2 |
Which one of the following element is found in most abundance in the earth's crust?<br> |
- A. Oxygen <br>
- B. Aluminum <br>
- C. Silicon <br>
- D. Iron <br>
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| 3 |
The reverse of evaporation is: |
- A. Boiling
- B. Diffusion
- C. Condensation
- D. Freezing
|
| 4 |
Which one is not a tetraatomic molecular? |
- A. H2O
- B. H2O2
- C. SO3
- D. BCL3
|
| 5 |
A heterogeneous mixture of different substance are called: |
- A. Solution
- B. Suspension
- C. Colloids
- D. Nil
|
| 6 |
____________ Is drawn in wires. |
- A. Gold
- B. Silver
- C. Helium
- D. Nil
|
| 7 |
The repetition of a property after a certain interval is: |
- A. Periodicity
- B. Properties
- C. Periodicity of properties
- D. None
|
| 8 |
10 gram sugar is dissolved in 90 gram of water to make a 100 gram solution.This solution is |
- A. 10% m/m
- B. 10% m/v
- C. 10% v/m
- D. 10% v/v
|
| 9 |
Increase in ________________ increase evaporation. |
- A. Temperature
- B. Stronger
- C. All
- D. None of above
|
| 10 |
Mixture has _________ types. |
- A. 3
- B. 2
- C. 1
- D. No types
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