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1 kg of calcium carbide (CaC2) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour ? | |
A. | 5 [Wrong Answer] |
B. | 10 [Correct Answer] |
C. | 15 [Wrong Answer] |
D. | 20 [Wrong Answer] |
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