| 1 |
What is pOH of 0.01 M solution of HCl? |
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| 2 |
Which one is not a characteristic of an acid: |
- A. it turns red litmus blue
- B. it reacts with base to form salt and water
- C. Its aqueous solution conduct electric current
- D. it has sour taste
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| 3 |
When acid reacts with sulphites and Bi sulphates which gas is evolved? |
- A. H2
- B. CO<sub>2</sub>
- C. SO<sub>2</sub>
- D. NH<sub>3</sub>
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| 4 |
Acid means |
- A. Sour
- B. Bitter
- C. Sweet
- D. Salty
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| 5 |
pH of neutral solution is always. |
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| 6 |
pH value normally varies from. |
- A. 0-14
- B. 1-14
- C. 7-14
- D. 10-14
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| 7 |
You want to dry a gas which one of the following salt you will use? |
- A. CaCl<sub>2</sub>
- B. NaCl
- C. CaO
- D. Na<sub>2</sub>SIO<sub>3</sub>
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| 8 |
Acetic acid is a weak acid because it. |
- A. Is used in cooking and flavouring food.
- B. Has very low pH
- C. Is not fully ionized
- D. Does not contain any hydrogen ions.
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| 9 |
According to the Lewis concept acid is a substance which can. |
- A. Donate a proton
- B. Donate a pair of electron
- C. Accept a proton
- D. Accept a pair of electron.
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| 10 |
According to Bronsted and Lowry concept an acid is a substance that can donate. |
- A. Proton
- B. Electron pair
- C. Neutron
- D. Electron
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