Question

1. Which of the following is an example of a physical change to matter?

Answer 1

1. C. Freezing
2. B. Dissolving salt in water

Answer 2

Answer:

1) FREEZING

2)DISOLVING SALT IN WATER

Explanation:

A physical change is the one that can be easily reversed and there is no new substance formed. However , physical change can always be reversible.

For instance the separation of mixtures by evaporation is physical change.

As we have physical change there is also a chemical change which a change that's cannot be reversed easily and there's no new substance formed. Examples are addition of water to quicklime, fermentation of substance,melting a stick of butter

,using magnesium to displace hydrogen gas from water.