Question

What r the physical and chemical changes​

Answer 1

Answer:

Explanation:

Physical changes are changes in the physical properties of substances. No new substances are formed in these changes. These changes may be reversible. In chemical changes new substances are produced.

Answer 2

Answer:

A physical change is a change in which the state of the substance changes, no new substances are formed during the physical change and the molecules remain the same. Most physical changes are temporary and reversible. e.g melting of wax.

A chemical change is a change in which the molecules of the substance undergo changes to form new substances. Most chemical changes are permanent and irreversible. e.g burning of paper

Explanation:

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