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CSS Solved Papers
Physics Chemistry

Engineering :: Chemical Technology

  Which of the following reactions is an endothermic reaction?
[A]. C(s) + O2(g) ?CO2(g)[B]. 2C(s) + O2(g) ?2CO(g)
[C]. C(s) + H2O(I) ?CO(g) + H2(g)[D]. CO(g) + 3H2(g) ?CH4(g) + H2O(g)

Answer: Option C
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