General Science - Elements and Metals (6)
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General Science - Elements and Metals
| 41. | Among the various allotropes of carbon, |
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Answer: Option C Explanation: No answer description available for this question. Let us discuss. |
| 42. | Galvanised iron sheets have a coating of |
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Answer: Option C Explanation: No answer description available for this question. Let us discuss. |
| 43. | When an iron nail gets rusted, iron oxide is formed |
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Answer: Option C Explanation: No answer description available for this question. Let us discuss. |
| 44. | The average salinity of sea water is |
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Answer: Option B Explanation: No answer description available for this question. Let us discuss. |
| 45. | In which of the following activities silicon carbide is used? |
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Answer: Option C Explanation: No answer description available for this question. Let us discuss. |
| 46. | The property of a substance to absorb moisture from the air on exposure is called |
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Answer: Option B Explanation: No answer description available for this question. Let us discuss. |
| 47. | The gases used in different types of welding would include |
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Answer: Option D Explanation: No answer description available for this question. Let us discuss. |
| 48. | The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is |
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Answer: Option C Explanation: No answer description available for this question. Let us discuss. |