| 1 |
When Bronsted and Lowry put forward acid base concept? |
- A. 1913
- B. 1923
- C. 1933
- D. 1943
|
| 2 |
Which of the following thing is a lewis base? |
- A. NH<sub>3</sub>
- B. BF<sub>3</sub>
- C. H<sup>+</sup>
- D. AlCl<sub>3</sub>
|
| 3 |
The reaction will attain the equilibrium if: |
- A. Qc<Kc
- B. Qc > Kc
- C. Qc = Kc
- D. Qc = 0
|
| 4 |
Acid rain affects the aquatic life by clogging fish gills because of: |
- A. Lead metal
- B. Chromium metal
- C. Mercury metal
- D. Aluminium metal
|
| 5 |
When the magnitude of Kc is very large it indicates. |
- A. Reaction mixture consist of almost all products.
- B. Reaction mixture consist of almost all reactants.
- C. Reaction has not gone to completion
- D. Reaction mixture has negligible products.
|
| 6 |
Organic compounds contain: |
- A. ionic bond
- B. Covalent bond
- C. Metallic bond
- D. Co-ordinate covalent
|
| 7 |
Ozone has a smell |
- A. Bitter
- B. Rotten egg
- C. Sweat
- D. None of them
|
| 8 |
Hydrogenation of alkenes and alkynes takes place at room temperature in the presence of. |
- A. Ni
- B. Pt
- C. Pd
- D. Both a and b
|
| 9 |
Which one of the following statements about glucose and sucrose is incorrect. |
- A. Soluble in water
- B. Naturally occuring.
- C. Carbohydrates
- D. Disaccharides
|
| 10 |
Molecular formula of stearic acid is. |
- A. C<sub>15</sub>H<sub>31</sub> COOH
- B. C<sub>12</sub>H<sub>15</sub>COOH
- C. C<sub>15</sub>H<sub>30</sub>COOH
- D. C<sub>17</sub>H<sub>34</sub>COOH
|
