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CGP EDU Academic Team
Published on: August 14, 2026
Calculate the number of hours of service that can be derived at 1 atm& 300K from an acetylene lamp containing 640 g calcium carbide. Given that the lamp requires 50 L acetylene gas at 1 atm& 300K for one hour. [Take 0.0821 × 300 = 25] -
Text Solution
Verified by ExpertsThe correct answer is:
A
CaC 2 + 2H 2 O → Ca(OH) 2 + C 2 H 2
640/64=10 mole 10 mole
V = 
= 
= 250 L
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