| 1 |
Arrhenius put forward acid base concept in. |
- A. 1878
- B. 1786
- C. 1787
- D. 1790
|
| 2 |
The product of any Lewis acid-base reaction is a single specie called: |
- A. free radical
- B. adduct
- C. molecular ion
- D. conjugate
|
| 3 |
Which salt is used as a table salt? |
- A. NaCl
- B. Na<sub>2</sub>CO<sub>3</sub>
- C. Na<sub>2</sub>SiO<sub>3</sub>
- D. NaCl
|
| 4 |
___________ is not mineral acid. |
- A. HCl
- B. CH<sub>3</sub>COOH
- C. H<sub>2</sub>SO<sub>4</sub>
- D. HNO<sub>3</sub>
|
| 5 |
Natural source of citric acid is: |
- A. Rancid butter
- B. Fats
- C. Lemon
- D. Sour milk
|
| 6 |
Example of complex salt is. |
- A. Zinc sulphate
- B. Potash alum
- C. Potassium ferrocynide
- D. Sodium Phosphate
|
| 7 |
Potassium ferrocyanide salt is. |
- A. Normal
- B. complex
- C. Basic
- D. Acidic
|
| 8 |
Which one is used for alkaline batteries? |
- A. NaOH
- B. Ca(OH)<sub>2</sub>
- C. KOH
- D. Mg(OH)<sub>2</sub>
|
| 9 |
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
|
| 10 |
The bond in the product of lewis acid base reaction. |
- A. Ionic
- B. Covalent
- C. Metallic
- D. Coordinate covalent
|
