| 1 |
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
|
| 2 |
__________ acid cause acidity of stomach. |
- A. Oxalic acid
- B. Hydrochloric acid
- C. Sulphuric acid
- D. Nitric Acid
|
| 3 |
___________ is not an acid: |
- A. HCl
- B. NH<sub>3</sub>
- C. H<sub>2</sub>CO<sub>3</sub>
- D. H<sub>2</sub>SO<sub>4</sub>
|
| 4 |
|Which one is not an Arrhenius acid? |
- A. HCl
- B. H2SO<sub>4</sub>
- C. CO<sub>2</sub>
- D. HNO<sub>3</sub>
|
| 5 |
Which one of the following is Lewis base? |
- A. NH<sub>3</sub>
- B. BF<sub>3</sub>
- C. H<sup>+</sup>
- D. AlCl<sub>3</sub>
|
| 6 |
All water soluble metallic oxides have characteristic of: |
- A. acidic
- B. basic
- C. neutral
- D. amphoteric
|
| 7 |
Grease stains from clothes are removed by sing. |
- A. Ammonium nitrate
- B. Aluminium hydroxide
- C. Ammonium hydroxide
- D. Aluminum chloride
|
| 8 |
Basic solution have pH value. |
- A. Less than 7
- B. Greater than 7
- C. equal to 7
- D. None of these
|
| 9 |
When acids react with metals which gas is evolved? |
- A. H<sub>2</sub>
- B. O<sub>2</sub>
- C. Cl<sub>2</sub>
- D. N<sub>2</sub>
|
| 10 |
Stearic acid present in |
- A. Apple
- B. Fats
- C. Urine
- D. Grapes
|
