Question

(a)Which of the following reaction is / are endothermic as well as decomposition. Justify. 3

1) Respiration

2) Heating FeSo4 crystal

3) Decomposition of vegetable matter

4) Photolysis of AgCl​

Answer 1

Answer:

Endothermic reactions: Photosynthesis, Electrolysis of water and Decomposition of calcium carbonate.

Exothermic reactions: Burning of natural gas and Respiration

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