Question

(4) Why is dissolving salt in water known as reversible change?
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Answer 1

Answer:

its reversible because it can brought back to its original state by physical and chemical methods without any damage to the substances

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Answer 2

Answer:

Dissolving salt in water is a reversible change.

We can completely dissolve the salt in water.

But we can also obtain the salt again by simply evaporating the water, which leaves behind the salt residue, also, we can obtain the water too by just collecting and condensing the vapours.

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