Question

why we dissolving of salt in water is a physical change .
Plz answer me ......​

Answer 1

Because we don't get any other chemical by dissolving salt in water. Also, it can be reversed.

Answer 2

Answer:

Dissolving a solid in liquid, such as table salt in water, is a physical change because only the state of the matter has changed. Physical changes can often be reversed. Allowing the water to evaporate will return the salt to a solid state. Although the salt may not recrystallize into the same uniform crystals you started with, it is still salt. When salt is dissolved in water, the water tastes salty because the salt is still there. It has not combined with the water to cause a chemical reaction.

This activity may take a few weeks to complete, so start it at the beginning of your study of matter. By the time the water has evaporated the students should have a good understanding of the difference between a chemical reaction and physical change.

Explanation:

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