| 1 |
|Which one is not an Arrhenius acid? |
- A. HCl
- B. H2SO<sub>4</sub>
- C. CO<sub>2</sub>
- D. HNO<sub>3</sub>
|
| 2 |
Which is a Lewis base? |
- A. H<sup>+</sup>
- B. NH<sub>4</sub>
- C. BF<sub>3</sub>
- D. AlCl<sub>3</sub>
|
| 3 |
What is the pOH of Ca(OH)2, 0.02 M Solution. |
- A. 1.698
- B. 1.397
- C. 12.31
- D. 12.61
|
| 4 |
Example of complex salt is. |
- A. Zinc sulphate
- B. Potash alum
- C. Potassium ferrocynide
- D. Sodium Phosphate
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| 5 |
Soda time is a mixture of: |
- A. CaO and NaOH
- B. CaCI2 and NaOH
- C. CaO and ca(OH)2
- D. CaCI2 and KOH
|
| 6 |
Alkalis react with ammonium salt to liberate. |
- A. SO<sub>2</sub>
- B. CO<sub>2</sub>
- C. NH<sub>3</sub>
- D. H<sub>2</sub>
|
| 7 |
Formic acid is present in |
- A. String of bees
- B. Sour milk
- C. Apple
- D. Fats
|
| 8 |
What is pOH of 0.01 M solution of KOH? |
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| 9 |
According to Lewis concept, acid is a substance which. |
- A. Can donate protons
- B. Can donate an electron pair
- C. Can accept protone
- D. Can accept electron pair
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| 10 |
The product of Lewis acid-base reaction is called adduct. The bond between the adduct species is. |
- A. Ionic
- B. Covalent
- C. Metallic
- D. Co-ordinate covalent
|