write difference between physical and chemical change

The differences between physical and chemical changes are as follows

 

Physical Change

Chemical Change

1. The chemical composition of a substance does not change.

1. The chemical composition of a substance changes.

2. Most changes are reversible.

2. Most changes are irreversible.

3. No new substances are formed. For example,

Ice → Water → Steam

3. New substances are formed.For example,

Paper → Ashes

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physical changes are changes that can be reversed but chemical changes cannot be reversed this is the difference

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physical changes are changes that can be reversed but chemical changes cannot be reversed this is the difference

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difference between physical change and chemical change is that  physical change can be reversed and chemical change cannot be reversed

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physical change can be reversed

in this, no new substance is formed

chemical change cannot be reversed

new substance with new chemical properties are formed

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Physical Change Chemical Change

Can be reversed. 1.Can not be reversed.No new subtances formed 2.New subtances are formed
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physical changes are also known as reversable changes. they can be reversed but chemical changes are those changes which remain permanentaly they are also called irreversable changes...

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