Question

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Answer 1

Answer:

Beacause NaCl is a non-volatile solid i.e, particles of Sodium Chloride are very very small in size and easily dissolves in water.

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Answer 2

Answer:

As water is a liquid, there is some space between the particles of water. Thus the sodium chloride when dissolved get accommodated in those spaces. Thus there is no increase in the level of water.

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