| 1 |
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>
|
| 2 |
Jabir Bin Haiyan prepared. |
- A. Nitric Acid
- B. Hydrochloric acid
- C. Sulphueric Acid
- D. All of these
|
| 3 |
All water soluble metallic oxides have characteristic of: |
- A. acidic
- B. basic
- C. neutral
- D. amphoteric
|
| 4 |
Which acid is found in sour milk? |
- A. `Formic acid
- B. Lacitc acid
- C. Citric acid
- D. Butric acid
|
| 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 |
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>
|
| 7 |
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>
|
| 8 |
Which is a Lewis base? |
- A. H<sup>+</sup>
- B. NH<sub>4</sub>
- C. BF<sub>3</sub>
- D. AlCl<sub>3</sub>
|
| 9 |
The meaning of latin word acidus is. |
- A. Sweet
- B. Tasteless
- C. Salty
- D. Sour
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| 10 |
Lewis acid-base concept have the following characteristics except: |
- A. formation of an adduct
- B. Formation of a co-ordinate covalent bound
- C. Donation and acceptance of an electron pair
- D. Donation and acceptance of a proton
|
