Gk Questions with AnswersChemistry General Knowledge Questions and Answers
| 21. | The percentage of gold in 18 carats gold is | ||
|---|---|---|---|
| A. 25% | |||
| B. 50% | |||
| C. 75% | |||
| D. 91.6% | |||
| Answer | ||
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| 22. | Scattering of light takes place in | ||
|---|---|---|---|
| A. Electroplating | |||
| B. Electrolysis | |||
| C. Solution of electrolyte | |||
| D. Colloidal solution | |||
| Answer | ||
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| 23. | The enzymes are killed | ||
|---|---|---|---|
| A. During chemical reaction | |||
| B. At low temperature | |||
| C. At a very high temperature | |||
| D. Under atmospheric pressure | |||
| Answer | ||
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| 24. | The transition temperature between two allotropic forms of sulphur is | ||
|---|---|---|---|
| A. 369 K | |||
| B. 443 K | |||
| C. 673 K | |||
| D. 388 K | |||
| Answer | ||
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