| 1 |
Which molecule has single covalent bond? |
- A. O<sub>2</sub>
- B. N<sub>2</sub>
- C. CI<sub>2</sub>
- D. CO<sub>2</sub>
|
| 2 |
H° - H° has ________________ energy. |
- A. Lower
- B. Higher
- C. Medium
- D. Nil
|
| 3 |
Octet rule is:<br> |
- A. description of eight electrons<br>
- B. picture of electronic configuration<br>
- C. covalent bonding<br>
- D. attaining of eight electrons <br>
|
| 4 |
Which one is not a tetraatomic molecular? |
- A. H2O
- B. H2O2
- C. SO3
- D. BCL3
|
| 5 |
Metals are ________________ |
- A. Liquid
- B. Solid
- C. Gas
- D. Malleable
|
| 6 |
It is an ionic compound |
- A. H2O
- B. NaCI
- C. CH4
- D. HF
|
| 7 |
________________ cannot be seen by naked eye. |
- A. Matter
- B. Molecules
- C. Solid
- D. Liquids
|
| 8 |
Which is a polar molecule? |
- A. HCI
- B. H<sub>2</sub>
- C. CI<sub>2</sub>
- D. O<sub>2</sub>
|
| 9 |
The property of being polar in nature is called: |
- A. Polarity
- B. Chemistry
- C. Both
- D. Nil
|
| 10 |
When an electronegative element combines electropositive element the type of bonding is<br> |
- A. covalent<br>
- B. ionic <br>
- C. polar covalent<br>
- D. coordinate covalent<br>
|
