General Knowledge - General Science
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Exercise"Example is better than precept."
- (Proverb)
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| 51. |
Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products? |
| A. |
Television | | B. |
Refrigerator | | C. |
Tube light | | D. |
Cooking gas |
Answer: Option C
Explanation:
No answer description available for this question. Let us discuss.
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| 52. |
Balloons are filled with |
Answer: Option E
Explanation:
No answer description available for this question. Let us discuss.
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| 53. |
Which of the following does not contain a coinage metal? |
| A. |
Silver and Gold | | B. |
Zinc and Gold | | C. |
Copper and Silver | | D. |
Copper and Gold |
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
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| 54. |
Which metal pollute the air of a big city? |
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
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| 55. |
Bell metal is an alloy of |
| A. |
nickel and copper | | B. |
zinc and copper | | C. |
brass and nickel | | D. |
tin and copper |
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
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