Question

give one point of difference between physical and chemical change which sums up all the points​

Answer 1

Physical Change = In this change no new substance is formed only the shape , size , state and colour changes .

Chemical Change = In this change substance is formed with entirely new properties.

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Answer 2

Physical change => i) physical changes only affect physical properties.

ii) physical change produces no energy.

iii) physical changes are generally easy to reverse.

Chemical change => i) chemical changes will affect both physical and chemical properties.

ii) chemical changes produce energy generally in the form of heat, light, or sound.

iii) chemical changes are not easily reversible without an additional chemical reaction.

One point cannot define all... okay try to learn all.!

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