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Which of the Following is Not an Endothermic Reaction? (A) Caco3 → Cao + Co2 (B) 2h2o →2h2 + O2 (C) 6co2 + 6h2o → C6h12o6 + 6o2 (D) C6h12o6 + 6o2 → 6co2 + 6h2o - Science

Which of the following is not an endothermic reaction?

(a) CaCO3 → CaO  +  CO2

(b) 2H2O →2H2 + O2

(c) 6CO2 + 6H2O → C6H12O6  +  6O2

(d) C6H12O6  + 6O2 → 6CO2  + 6H2O

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Solution

(d) C6H12O6 + 6O2 → 6CO2 + 6H2O
This is the reaction of respiration process in which glucose burns in oxygen to produce heat energy needed by our body. So, this reaction is an exothermic reaction.

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APPEARS IN

Lakhmir Singh Class 10 Chemistry (Science)
Chapter 1 Chemical Reactions and Equations
Q 43 | Page 21
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