Which one of the following reaction(s) are (is) exothermic? Options: A . &nbspcombustion of gases B . &nbspFreezing of water C . &nbspMelting of salt D . &nbspBoth A & B

Which one of the following reaction(s) are (is) exothermic?

Question

Which one of the following reaction(s) are (is) exothermic?

Options:

A . combustion of gases

B . Freezing of water

C . Melting of salt

D . Both A & B

Answer: Option D

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