Gk Questions with AnswersChemistry Quiz Questions and Answers
| 9. | The setting of plaster of Paris is catalyzed by adding | ||
|---|---|---|---|
| A. Borax | |||
| B. Alum | |||
| C. Sodium chloride | |||
| D. Lime | |||
| Answer | ||
|
| 10. | The percentage of carbon in mild steel is | ||
|---|---|---|---|
| A. 0.1-0.4% | |||
| B. 0.1-0.5% | |||
| C. 0.4-1.5% | |||
| D. 0.5-1.5% | |||
| Answer | ||
|
| 11. | Which one is not metal? | ||
|---|---|---|---|
| A. Sulphur | |||
| B. Sugar | |||
| C. Nitrogen | |||
| D. All | |||
| Answer | ||
|
| 12. | The nuclear fuel in the sun is | ||
|---|---|---|---|
| A. Hydrogen | |||
| B. Helium | |||
| C. Helium | |||
| D. Alpha particles | |||
| Answer | ||
|