| 1 |
Stearic acid present in |
- A. Apple
- B. Fats
- C. Urine
- D. Grapes
|
| 2 |
Lavoisier named binary compounds of oxygen acids in . |
- A. 1787
- B. 1790
- C. 1815
- D. 1828
|
| 3 |
A base is a substance which neutralizes an acid which of these substances is not a base? |
- A. Aqueous ammonia
- B. Sodium chloride
- C. Sodium Hydroxide
- D. Calcium Hydroxide
|
| 4 |
A base is a substance which neutralizes and acid. Which of these substances is not a base? |
- A. aqueous ammonia
- B. Sodium chloride
- C. Sodium carbonate
- D. Calcium oxide
|
| 5 |
Acetic acid is used for: |
- A. Elching designs
- B. Clearing metals
- C. Flavouring food
- D. Making explosives
|
| 6 |
__________ acid cause acidity of stomach. |
- A. Oxalic acid
- B. Hydrochloric acid
- C. Sulphuric acid
- D. Nitric Acid
|
| 7 |
Dilute acids react with carbonates to produce the given products except. |
- A. Salt
- B. Water
- C. Hydrogen
- D. Carbon dioxide
|
| 8 |
When acid react with carbonates and bicarbonates which gas is evolved? |
- A. H2
- B. CO<sub>2</sub>
- C. Cl<sub>2</sub>
- D. N<sub>2</sub>
|
| 9 |
pH of neutral solution is always. |
|
| 10 |
The value of constant of ionic product of water Kw at 25 C. |
- A. 1.0 x 10<sup>-4</sup>
- B. 1.0 x 10<sup>14</sup>
- C. 1.0 x 10<sup>-4</sup>
- D. 1.0 x 10<sup>4</sup>
|
