Chemistry, asked by rizwana1977, 4 months ago

Give one example each that illustrates th
following characteristics of a chemical reaction
(a) evolution of a gas
(b) change of colour
(c) change in state

Answers

Answered by pandunandhu

3

Answer:

Mark me as brainliest

Explanation:

(a) zinc and dilute sulphuric acid

(b) copper and oxygen

(c) Ammonia gas and hydrogen chloride gas

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