| 1 |
Which one of the following will not react with dilute HCI?<br> |
- A. Sodium<br>
- B. Potassium<br>
- C. Calcium<br>
- D. Carbon<br>
|
| 2 |
In volvox asexual cell produced: |
- A. Daughter colonies
- B. Sperm
- C. Egg
- D. All
|
| 3 |
Smoke in air is the example of solution.<br> |
- A. Gas in Gas<br>
- B. Gas in liquid<br>
- C. liquid in Gas<br>
- D. Solid in Gas<br>
|
| 4 |
Which one an example of heterogeneous mixture? |
- A. Ice cream
- B. Concrete
- C. Both a & b
- D. NiL
|
| 5 |
Which one metal is least reactive? |
|
| 6 |
Amadeo Avogadro was a _______________ scientist. |
- A. Italian
- B. English
- C. Greek
- D. Russian
|
| 7 |
Transfer of electrons between atoms results in:<br> |
- A. metallic bonding<br>
- B. ionic bonding <br>
- C. covalent bonding <br>
- D. coordinate covalent bonding<br>
|
| 8 |
The quantity of a matter in a body is called ____________ |
- A. Mass
- B. Weight
- C. Atom
- D. Molecule
|
| 9 |
Which one of the following is not an electrolyte?<br> |
- A. sugar solution<br>
- B. sulphuric acid solution<br>
- C. Lime solution<br>
- D. Sodium chloride solution<br>
|
| 10 |
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>
|
