Chemistry, asked by hiraknandy786, 2 days ago

how are the following indicated in a chemical equation
a) evolution of a gas
b) formation of precipitate
c) evolution or absorption of heat

Answers

Answered by padmavathysivapragas

1

Answer:

Answer. (iii) + heat (ΔH = – ve) or – heat (ΔH = + ve).

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