Question

Give out three differences between physical and chemical changes,​

Answer 1

Answer:

The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition.

Explanation:

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Answer 2

IN PHYSICAL CHANGE IS TEMPORARY AND ORGINAL SUBSTANCE CAN BE OBTAINED BACK AND SUBSTANCE REMAIN UNCHANGED AFTER THE CHANGE BUT IN CHEMICAL CHANGE IT IS PERMANENT AND ORGINAL SUBSTANCE CAN'T BE OBTAINED EASILY AND NEW SUBSTANCES WITH DIFFERENT PROPERTIES FORMED