Gk Questions with AnswersChemistry General Knowledge Questions and Answers
| 9. | Formaldehyde reacts with ammonia and gives | ||
|---|---|---|---|
| A. Chloroform | |||
| B. Formation | |||
| C. Mesitylene | |||
| D. Urotropine | |||
| Answer | ||
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| 10. | The ore of mercury is | ||
|---|---|---|---|
| A. Calamine | |||
| B. Cinnabar | |||
| C. Haematite | |||
| D. Galena | |||
| Answer | ||
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| 11. | What is iodized table salt? | ||
|---|---|---|---|
| A. a compound | |||
| B. an element | |||
| C. a heterogeneous mixture | |||
| D. a homogeneous mixture | |||
| Answer | ||
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| 12. | The metal compound commonly found in Sindhoor or Kumkum is based on | ||
|---|---|---|---|
| A. Lead | |||
| B. Copper | |||
| C. Zink | |||
| D. Tin | |||
| Answer | ||
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