| 1 |
The bond in the product of lewis acid base reaction. |
- A. Ionic
- B. Covalent
- C. Metallic
- D. Coordinate covalent
|
| 2 |
Formic acid is present in |
- A. String of bees
- B. Sour milk
- C. Apple
- D. Fats
|
| 3 |
Which is used for cleaning agent for domestic and commercial purpose? |
- A. NaCl
- B. Na<sub>2</sub>CO<sub>3</sub>
- C. NaHCO<sub>3</sub>
- D. Na<sub>2</sub>SiO<sub>3</sub>
|
| 4 |
Binary compounds of oxygen such as CO2 and SO2 were names as acids by; |
- A. Jabir Bin Hayan
- B. Lavoisier
- C. Al- Jahiz
- D. Sir Humphrey Davy
|
| 5 |
Acid means |
- A. Sour
- B. Bitter
- C. Sweet
- D. Salty
|
| 6 |
Acetic acid is used for: |
- A. Elching designs
- B. Clearing metals
- C. Flavouring food
- D. Making explosives
|
| 7 |
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>
|
| 8 |
Which one of the mineral acid. |
- A. HCl
- B. H<sub>2</sub>SO<sub>4</sub>
- C. HNO<sub>3</sub>
- D. All of these
|
| 9 |
Example of complex salt is. |
- A. Zinc sulphate
- B. Potash alum
- C. Potassium ferrocynide
- D. Sodium Phosphate
|
| 10 |
Acid reacting with metal sulphides, liberate gas. |
- A. Oxygen
- B. Hydrogen
- C. Hydrogen Sulphide
- D. Hydrogen Oxide
|
