Question

write three differences between physical change and chemical change​

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.

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Answer 2

HEY MATE HERE IS YOUR ANSWER ✍✍

➡️When a substance undergoes a physical change, its composition remains the same despite its molecules being rearrangedwhile as When a substance undergoes a chemical change, its molecular composition is changed entirely. Thus, chemical changes involve the formation of new substances.

➡️Physical change is a temporary change while A chemical change is a permanent change.

➡️A Physical change affects only physical properties i.e. shape, size, etc while Chemical change both physical and chemical properties of the substance including its composition.