Question

What is conserved in physical changes

Answer 1

Mass because Mass is always conserved in a physical change. Energy may be released or absorbed when a substance changes from one physical state to another. In a chemical change, a chemical reaction yields a completely new substance. A substance's particles are changed during a chemical reaction.

Answer 2

The correct answer is mass

According to the law of conservation of mass, mass is neither created nor destroyed in a chemical or physical changes. Physical change are change of phage of a substance without changing their chemical composition. Physical changes involves a change in physical properties, an example of physical change is the tempering steel to form an Axe.