Chemistry - Section 1 (5)
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Chemistry - Section 1
| 33. | The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
| 34. | Zone refining is used for the purification of |
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Answer: Option B Explanation: No answer description available for this question. Let us discuss. |
| 35. | The gas used for artificial ripening of green fruit is |
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Answer: Option A Explanation: No answer description available for this question. Let us discuss. |
| 36. | The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? |
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Answer: Option C Explanation: No answer description available for this question. Let us discuss. |
| 37. | The method that cannot be used for removing permanent hardness of water is |
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Answer: Option D Explanation: No answer description available for this question. Let us discuss. |
| 38. | The most electropositive elements among the following is |
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Answer: Option D Explanation: No answer description available for this question. Let us discuss. |
| 39. | The hydronium ion is |
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Answer: Option D Explanation: No answer description available for this question. Let us discuss. |
| 40. | The first metal used by man was |
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Answer: Option B Explanation: No answer description available for this question. Let us discuss. |