Gk Questions with AnswersChemistry General Knowledge Questions and Answers
| 13. | An aqueous solution of sulphurdioxide forms | ||
|---|---|---|---|
| A. Sulphuric acid | |||
| B. Nitric acid | |||
| C. Sulphurous acid | |||
| D. Hydrochloric acid | |||
| Answer | ||
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| 14. | The setting of plaster of Paris can be catalyzed by adding | ||
|---|---|---|---|
| A. Borax | |||
| B. Alum | |||
| C. Lead oxide | |||
| D. Sodium chloride | |||
| Answer | ||
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| 15. | Tannic acid is present in | ||
|---|---|---|---|
| A. Tea | |||
| B. Grapes | |||
| C. Lemon | |||
| D. Sour milk | |||
| Answer | ||
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| 16. | Which of the following is a liquid at room temperature? | ||
|---|---|---|---|
| A. Duralumin | |||
| B. Bromine | |||
| C. Invar | |||
| D. Iodine | |||
| Answer | ||
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