Give an example of a chemical reaction for each of the following situa – InterviewSolution

1.	Give an example of a chemical reaction for each of the following situations:(a) A change in colour is observed.(b) A gas is evolved.(c) Sound is produced.
Answer» (a) Reaction between copper sulphate solution and iron metal. (b) Reaction between baking soda and vinegar (carbon dioxide is evolved). (c) Burning of crackers.

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