| 1 |
Setting of Plaster of Paris is accompanied with |
- A. Hydrogen bonding
- B. Hydration
- C. Dehydration
- D. None of these
|
| 2 |
Oxide of Alkaline earth metal are |
- A. Acid
- B. Basic
- C. Neutral
- D. Amphoteric
|
| 3 |
Which one of the following is not an alkali metal |
- A. Francium
- B. Caesuym
- C. Rubidium
- D. Radium
|
| 4 |
Which one of the following pairs of metal reactive directly with nitrogen |
- A. Na and Mg
- B. Li and Mg
- C. Mg and Ca
- D. Li and Be
|
| 5 |
The Milk of magnesia is used for the treatment of |
- A. Basicity
- B. Rancidity
- C. Acidity
- D. Jaundance
|
| 6 |
Sulphur is essential constituent for plants. Which is not role of sulphur |
- A. Chlorophyll development
- B. Development of root system
- C. Constituents of some proteins
- D. Increase transpiration force
|
| 7 |
Which of the following sulphates is not soluble in water. |
- A. Sodium sulphate
- B. Potassium sulphate
- C. Zinc sulphate
- D. Barium Sulphate
|
| 8 |
The mineral CaSO<sub>4</sub>.2H<sub>2</sub>O has the general name |
- A. Dolomite
- B. Gypsum
- C. Calcite
- D. Epsom Salt
|
| 9 |
Which gas is evolved when CO2 is passed through KO2. |
- A. O2
- B. CO
- C. O3
- D. None of these
|
| 10 |
Which one of the following is not an alkali metal. |
- A. Francium
- B. Cesium
- C. Rubidium
- D. Radium
|
