Question

GIVE REASON
SETTING OF CEMENT IS EXOTHERMIC REACTION AND HEAT EVOVELED IS NOT NOTICABLE

Answer 1

Answer:

Rusting of iron – the reaction is slow and the heat evolved is very less, hence unnoticeable. Setting of cement – cement setting liberates heat, hence concrete structures are set slowly. Human Body – many chemical reactions in our body are exothermic & provide energy to survive

Explanation:

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