Question

Classify the following as a exothermic and endothermic reaction :-
1) photosynthesis
2) Respiration
3) burning of natural gas
4) electrolysis of water

Answer 1

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Answer 2

Answer:

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1) Photosynthesis - Endothermic

2) Respiration - Exothermic

3) burning of natural gas - Exothermic

4) electrolysis of water - Endothermic