KCET 2019 Chemistry Solved Paper

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Question : 28 of 60

Marks: +1, -0

The reaction in which ΔH > ΔU is

N2(g)+3H2(g) → 2NH3(g)
CH4(g)+O2(g) → CO2(g)+2H2O(l)
N2(g)+O2(g) → 2NO2(g)
CaCO3(S)→CaO(s) + CO2(g)

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