| 1 |
Which salt is used for the manufacture of detergents, pulp and paper? |
- A. NaCl
- B. Na<sub>2</sub>CO<sub>3</sub>
- C. Na<sub>2</sub>SiO<sub>3</sub>
- D. NaCl
|
| 2 |
Soda time is a mixture of: |
- A. CaO and NaOH
- B. CaCI2 and NaOH
- C. CaO and ca(OH)2
- D. CaCI2 and KOH
|
| 3 |
Malic acid founds in: |
- A. Apple
- B. Fats
- C. Rancid Butter
- D. Oranges
|
| 4 |
Uric acid is found in |
- A. Urine
- B. Fats
- C. Apple
- D. Grapes
|
| 5 |
The colour of litmus in a strong basic solution become. |
- A. Yellow
- B. Blue
- C. Red
- D. Colourless
|
| 6 |
Which acid is used an electrolyte in lead storage battery? |
- A. H<sub>2</sub>SO<sub>4</sub>
- B. HNO<sub>3</sub>
- C. HCl
- D. CH<sub>3</sub>COOH
|
| 7 |
conjugate base of HCl is: |
- A. HCl<sup>-</sup>
- B. CH
- C. Cl
- D. NH<sub>3</sub>
|
| 8 |
The base which is used in alkaline batteries is. |
- A. NaOH
- B. Al(OH)<sub>2</sub>
- C. KOH
- D. Mg(OH)<sub>2</sub>
|
| 9 |
Stearic acid present in |
- A. Apple
- B. Fats
- C. Urine
- D. Grapes
|
| 10 |
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>
|