Different between physical and chemical chemical change

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Solution

Dear Student

The Differences between physical and chemical changes are:

Physical Change Chemical Change

A physical change is a change of state of matter in which no chemical reaction is involved. A chemical change involves a chemical reaction to take place.

Here no new substance is formed except state change. Here new substances are formed.

Physical change is a reversible change Chemical change is an irreversible change

eg: Melting of wax of a candle is a physical change as the molten wax can solidify back. eg: The buning of flame of a candle gives out new substances which cannot be brought back to their original form.Thus it is a chemical change.

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Difference between physical change and chemical change with example

Write any two differences between a chemical change and a physical change.

Question 1

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Physical Change	Chemical Change
A physical change is a change of state of matter in which no chemical reaction is involved.	A chemical change involves a chemical reaction to take place.
Here no new substance is formed except state change.	Here new substances are formed.
Physical change is a reversible change	Chemical change is an irreversible change
eg: Melting of wax of a candle is a physical change as the molten wax can solidify back.	eg: The buning of flame of a candle gives out new substances which cannot be brought back to their original form.Thus it is a chemical change.