Gk Questions with AnswersChemistry General Knowledge Questions and Answers
| 13. | A detergent is a | ||
|---|---|---|---|
| A. Soap | |||
| B. Catalyst | |||
| C. Drug | |||
| D. Cleansing agent | |||
| Answer | ||
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| 14. | A device used for the measurement of radioactivity is | ||
|---|---|---|---|
| A. Cyclotron | |||
| B. Nuclear reactor | |||
| C. Mass spectrometer | |||
| D. G.M. counter | |||
| Answer | ||
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| 15. | Which one of the following noble gases is not found in the atmosphere? | ||
|---|---|---|---|
| A. Xenon | |||
| B. Radon | |||
| C. Argon | |||
| D. Krypton | |||
| Answer | ||
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| 16. | The phenomenon of radioactivity was discovered by | ||
|---|---|---|---|
| A. Pierre Curie | |||
| B. Marie Curie | |||
| C. J.J. Thomson | |||
| D. Henri Becquerel | |||
| Answer | ||
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