Gk Questions with AnswersChemistry
DIRECTIONS : Questions based on Chemistry.
| 6. | Nail polish remover contains | ||
|---|---|---|---|
| A. Acetone | |||
| B. Benzeme | |||
| C. Petroleum ether | |||
| D. Acetic acid | |||
| 7. | Which one of the following correctly defines the state of glass? | ||
|---|---|---|---|
| A. Crystalline solid | |||
| B. Super cooled liquid | |||
| C. Condensed gas | |||
| D. Liquid crystal | |||
| 8. | Which one of the following is an element which never exhibits positive oxidation state in any of its compounds? | ||
|---|---|---|---|
| A. Oxygen | |||
| B. Chlorine | |||
| C. Fluorine | |||
| D. Carbon | |||
| 9. | Which one of the following materials is suitable for water purification? | ||
|---|---|---|---|
| A. Silicones | |||
| B. Zeolites | |||
| C. Asbestos | |||
| D. Quartz | |||
| 10. | Which one of the following is a major constituent of Biogas ? | ||
|---|---|---|---|
| A. Carbon dioxide | |||
| B. methane | |||
| C. hydrogen | |||
| D. nitrogen dioxide | |||