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Give an example of a chemical reaction for each of the following situations:

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asked Jan 23, 2018 in Science by Rohit Singh (61,782 points) ● 35 ● 134 ● 358
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.

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answered Jan 23, 2018 by sameer (82,980 points) ● 5 ● 11 ● 38
selected Jan 27, 2018 by sarthaks
 
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(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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