KCET 2014 Chemistry Solved Paper

The ratio of heats liberated at 298 K from the combustion of one kg of coke and by burning water gas obtained from 1 kg of coke is
(Assume coke to be 100% carbon.)
(Given enthalpies of combustion of CO2,CO‌and‌H2 as 393.5 kJ, 285 kJ, 285 kJ respectively all at 298 K.)