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JEE Mains 29-July-2022 Shift 2 Solved Paper

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Question : 63

Total: 90

C(s)+O2(g)→CO2(g)+400k.J
C(s)+‌

O2(g)→CO(g)+100‌kJ
When coal of purity 60% is allowed to burn in presence of insufficient oxygen, 60% of carbon is converted into ' CO ' and the remaining is converted into ' CO2 '. The heat generated when 0.6‌kg of coal is burnt is _______.

[29-Jul-2022-Shift-2]

1600‌kJ
3200‌kJ
4400‌kJ
6600‌kJ

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