Question

adding salt to water is a physical or chemical change ??​

Answer 1

Answer:

it's a physical change

because when the solution is formed

no heat is evolved

or else we can heat the solution to get the substance which is salt and vapor ( water)

Answer 2

preparation of salt solution is a chemical change because the two compounds are forming a new substance and it is irreversible.

NaCl + H2O ---> NaClO