Question

What kind of change occurs when salt dissolves in water? chemical change solution change physical change substance change Description

Answer 1

Answer: physical change

Explanation:

A physical reaction is defined as the reaction in which a change in shape, size takes place. No new substance gets formed in these reactions.

Example: salt dissolves in water, as there is only a change in phase and no new substance is being formed.

A chemical reaction is defined as the reaction in which a change in chemical composition takes place. A new substance is formed in these reactions.

Example: Oxidation of magnesium leads to formation of white magnesium oxide and is a chemical change.

$2Mg+O_2\rightarrow 2MgO$

Answer 2

Salt dissolving into water is a physical change because it can be reversed as in chemical change cannot be reversed as in you can boil water and have the salt on the bottom