| 1 |
Which base is more corrosive? |
- A. NH<sub>4</sub>OH
- B. NaOH
- C. Ca(OH)<sub>2</sub>
- D. AL(OH)<sub>2</sub>
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| 2 |
The product of any Lewis acid-base reaction is a single specie called: |
- A. free radical
- B. adduct
- C. molecular ion
- D. conjugate
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| 3 |
According to Bronsted and Lowry concept a base is a substance that can accept. |
- A. Proton
- B. Electron pair
- C. Neutron
- D. Electron
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| 4 |
Which of one the following is Lewis base? |
- A. BF3
- B. H+
- C. NH3
- D. Ag+
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| 5 |
The color of Fe(OH)<sub>2</sub> ppt is. |
- A. White
- B. Brown
- C. Muddy green
- D. Blue
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| 6 |
Which one is Lewis Acid? |
- A. BF<sub>3</sub>
- B. AICI<sub>3</sub>
- C. FeCl<sub>3</sub>
- D. All of these
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| 7 |
Mallic acid is present in |
- A. Apple
- B. Feats
- C. String of bees
- D. Urine
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| 8 |
When HCl and KOH is reacted the salt formed is. |
- A. Acidic
- B. Basic
- C. Normal
- D. Complex
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| 9 |
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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| 10 |
A salt always |
- A. Contain ions
- B. Contains water of crystallization
- C. Dissolves in water
- D. Forms crystals which conduct electricity
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