1 |
pH value normally varies from. |
- A. 0-14
- B. 1-14
- C. 7-14
- D. 10-14
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2 |
Acidic solutions have pH value. |
- A. Less than 7
- B. Greater than 7
- C. equal to 7
- D. None of these
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3 |
A substance which can behave as an acid as well as a base is called. |
- A. Acid
- B. Base
- C. Amphoteric
- D. Neutral
|
4 |
Which of one the following is Lewis base? |
- A. BF3
- B. H+
- C. NH3
- D. Ag+
|
5 |
Which one gas is liberated when alkalies react with ammonium salts? |
- A. O<sub>2</sub>
- B. CO<sub>2</sub>
- C. H<sub>2</sub>
- D. NH3
|
6 |
The acid which is called king of chemicals. |
- A. Sulphuric Acid
- B. Nitric Acid
- C. Hydrochloric acid
- D. Acetic acid
|
7 |
Grease stains from clothes are removed by sing. |
- A. Ammonium nitrate
- B. Aluminium hydroxide
- C. Ammonium hydroxide
- D. Aluminum chloride
|
8 |
Which one is Lewis Acid? |
- A. BF<sub>3</sub>
- B. AICI<sub>3</sub>
- C. FeCl<sub>3</sub>
- D. All of these
|
9 |
__________ acid cause acidity of stomach. |
- A. Oxalic acid
- B. Hydrochloric acid
- C. Sulphuric acid
- D. Nitric Acid
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10 |
___________ 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>
|