Gk Questions with AnswersChemistry
DIRECTIONS : Questions based on Chemistry.
| 76. | Which among the following is in liquid state at normal room temperature? | ||
|---|---|---|---|
| A. Sodium | |||
| B. Mercury | |||
| C. Copper | |||
| D. Phosphorous | |||
| 77. | The chemical name of quartz is | ||
|---|---|---|---|
| A. Sodium silicate | |||
| B. Sodium phosphate | |||
| C. Calicum phosphate | |||
| D. Calcium oxide | |||
| 78. | What is the most common element in the universe? | ||
|---|---|---|---|
| A. Iron | |||
| B. Oxygen | |||
| C. Helium | |||
| D. Hydrogen | |||
| 79. | Who was the father of chemistry? | ||
|---|---|---|---|
| A. Robert Boyle | |||
| B. Cavendish | |||
| C. Lister | |||
| D. Urey | |||
| 80. | Which one of the following is a protein fibre? | ||
|---|---|---|---|
| A. Nylon | |||
| B. Silk | |||
| C. Polyester | |||
| D. Cotton | |||