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
B. 10
C. 15
D. 20

Leave a Reply

Your email address will not be published. Required fields are marked *