Gk Questions with AnswersChemistry
DIRECTIONS : Questions based on Chemistry.
| 96. | Commercially, sodium bicarbonate is known as | ||
|---|---|---|---|
| A. Washing soda | |||
| B. Baking soda | |||
| C. Bleaching powder | |||
| D. Soda ash | |||
| 97. | Acetyl salicylic acid is commonly used as | ||
|---|---|---|---|
| A. A pain killer | |||
| B. A sedative | |||
| C. Tear gas | |||
| D. A fertilizer | |||
| 98. | Which metal is commonly used for making an electromagnet? | ||
|---|---|---|---|
| A. Copper | |||
| B. Cobalt | |||
| C. Iron | |||
| D. Nickel | |||
| 99. | The gas that is responsible for global warming is | ||
|---|---|---|---|
| A. Carbon dioxide | |||
| B. Oxygen | |||
| C. Methane | |||
| D. Sulphur dioxide | |||
| 100. | Which of the following is the source of common salt? | ||
|---|---|---|---|
| A. Bauxite | |||
| B. Pyrite | |||
| C. Calcite | |||
| D. Halite | |||