Question

(4) Why is evaporation of water known as a reversible change ?
Stear
75) Why is dissolving salt in water known as a (reversible change?

16) Why is the curdling of milk known as an irreversible change ?
17) List a reversible change that takes place when an object is heated 8) Give an example of a reversible change that takes place when some​

Answer 1

Answer:

Because the substances water can again change to water vapour and again to water and; salt can be separated from water and can be again dissolved in water. But curd can not be reversed to milk. Example ice into water and water into ice.