Q. 35 C

Which of the following are endothermic reactions and which are exothermic reactions ? (i) Burning of natural gas
(ii) Photosynthesis
(iii) Electrolysis of water
(iv) Respiration
(v) Decomposition of calcium carbonate

Answer :

Reaction which are endothermic: Photosynthesis, Electrolysis of water, Decomposition of calcium carbonate;

Exothermic reaction: Burning of natural gas, Respiration.

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