| 1 |
The no. of electrons in the valence shell of noble gases are |
|
| 2 |
..................... is property of metals. |
- A. Gases
- B. Lustrous
- C. Solids
- D. Nil
|
| 3 |
The reaction of ionic compound is very ________________ in solution. |
- A. Slow
- B. Fast
- C. Medium
- D. Nil
|
| 4 |
H° + H° are ________________ in energy. |
- A. Lower
- B. Higher
- C. Medium
- D. Nil
|
| 5 |
________________ is triangular in shape. |
- A. BCL3
- B. H2O
- C. CO2
- D. NH3
|
| 6 |
How many covalent bond does C<sub>2</sub>H<sub>2</sub> molecule have?<br> |
- A. two <br>
- B. three <br>
- C. four <br>
- D. five<br>
|
| 7 |
The bond between two atoms will be ionic if the difference between their electronegativities is: |
- A. Less than 1.7
- B. Greater than 1.7
- C. Zero
- D. Less than 1.2
|
| 8 |
________________ observed that formation of covalent bonds. |
- A. Rutherford
- B. G.N Lewis
- C. Both a and b
- D. Bohar's
|
| 9 |
Which is an acceptor molecule/ion? |
- A. N<sub>2</sub>
- B. O<sub>2</sub>
- C. H<sup>+</sup>
- D. CH<sub>4</sub>
|
| 10 |
It is an ionic compound |
- A. H2O
- B. NaCI
- C. CH4
- D. HF
|
