| 1 |
Which one is not an Arrhenius base? |
- A. NaOH
- B. KOH
- C. Ca(OH)<sub>2</sub>
- D. NH<sub>3</sub>
|
| 2 |
Acid used for cleaning metals , tanning and in printing industries, is: |
- A. H2SO4
- B. HNO3
- C. CH3COOH
- D. HCI
|
| 3 |
Soda lime is a mixture of.. |
- A. CaCl, + KOH
- B. NaOH + CaO
- C. NaOH + CaCl<sub>2</sub>
- D. Ca(OH)<sub>2</sub> + CaO
|
| 4 |
Acids turn |
- A. Blue litmus red
- B. Red litmus blue
- C. Blue litmus green
- D. Blue litmus blue
|
| 5 |
In the preparation of insoluble salts, which one of the facts is incorrect? |
- A. Two soluble salts are mixed
- B. Two in soluble salts are mixed .
- C. One of the salt produced is insoluble
- D. Both of the salts produced are insoluble
|
| 6 |
Water is a; |
- A. strong electrolyte
- B. non-electrolyte
- C. weak electrolyte
- D. natural compound
|
| 7 |
When acid react with carbonates and bicarbonates which gas is evolved? |
- A. H2
- B. CO<sub>2</sub>
- C. Cl<sub>2</sub>
- D. N<sub>2</sub>
|
| 8 |
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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| 9 |
Acids have taste |
- A. Bitter
- B. Seetish
- C. Sour
- D. Saltish
|
| 10 |
Uric Acid is present in |
- A. Apple
- B. Fats
- C. Urine
- D. Grapes
|