write any two point of difference between physical and climatic and change
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Physical change
Chemical change
1. No new substances with new properties are formed.
1. New substance with new properties are formed.
2. It can be reversed by simple physical methods.
2. Change cannot be reversed by simple physical methods.
3. It is temporary change.
3. It is permanent change.
4. Energy is neither needed nor produced.
4. Energy is either needed or evolved.
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