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Which of the following is not an endothermic reaction?(a) CaCO3 -----> CaO + CO2(b) 2H2O ------> 2H2 + O2(c) 6CO2 + 6H2O -----> C612O6 + 6O2(d) C6H12O6 + 6O2 -----> 6CO2 + 6H2O
Correct Answer: (d) C6H12O6 + 6O2 -----> 6CO2 + 6H2O
Explanation: It is a reaction to the respiration process, in which glucose is oxidized to produce the energy needed by our body. Hence, it is an exothermic reaction.
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