| 1 |
When carbon di oxide is bubbled through lime water, white precipitate is formed This precipitate is. |
- A. COCl2
- B. H2CO3
- C. CaO
- D. CaCO3
|
| 2 |
Which of the following compounds is used to make spray, which has fungicidal action. |
- A. BaSO4
- B. Na2CO3
- C. CaO
- D. CaSO4.2H2O
|
| 3 |
Down's cell is used to prepare. |
- A. Sodium carbonate
- B. Sodium bicarbonate
- C. sodium metal
- D. Sodium hydroxide
|
| 4 |
The element cesium bears resemblance with |
- A. Ca
- B. Cr
- C. Both of the above
- D. None of the above
|
| 5 |
Which is more basic |
- A. RbOH
- B. NaOH
- C. KOH
- D. Li OH
|
| 6 |
Which one of the following is not an alkali metal |
- A. Francium
- B. Caesuym
- C. Rubidium
- D. Radium
|
| 7 |
Oxide of Alkaline earth metal are |
- A. Acid
- B. Basic
- C. Neutral
- D. Amphoteric
|
| 8 |
Which elements are deposited at the cathode during the electrolysis of brine in diaphragm cell |
- A. H<sub>2</sub>
- B. Ba
- C. Ra
- D. Rn
|
| 9 |
Which element reacts with carbon to form metal carbide. |
- A. Li
- B. Na
- C. K
- D. All of these
|
| 10 |
The most metallic elements from the following is |
- A. Arsenic
- B. Oxygen
- C. Antimony
- D. Bismuth
|
