| 1 |
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>
|
| 2 |
_________ acid is used in lead storage batteries as electrolyte. |
- A. CH<sub>3</sub>COOH
- B. HCl
- C. HNO<sub>3</sub>
- D. H<sub>2</sub>SO<sub>4</sub>
|
| 3 |
What is pOH of 0.01 M solution of KOH? |
|
| 4 |
Soda lime is a mixture of.. |
- A. CaCl, + KOH
- B. NaOH + CaO
- C. NaOH + CaCl<sub>2</sub>
- D. Ca(OH)<sub>2</sub> + CaO
|
| 5 |
Acids turn |
- A. Blue litmus red
- B. Red litmus blue
- C. Blue litmus green
- D. Blue litmus blue
|
| 6 |
Which one of the following species is not amphoteric? |
- A. H<sub>2</sub>O
- B. NH<sub>3</sub>
- C. HCO<sub>3</sub>
- D. SO<sub>4</sub>
|
| 7 |
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
|
| 8 |
According to Lewis concept a base is a substance which can donate. |
- A. Proton
- B. Electron pair
- C. Neutron
- D. Electron
|
| 9 |
Uric acid is found in |
- A. Urine
- B. Fats
- C. Apple
- D. Grapes
|
| 10 |
According to Lewis concept, acid is a substance which. |
- A. Can donate protons
- B. Can donate an electron pair
- C. Can accept protone
- D. Can accept electron pair
|
