Question

what is difference between physical changes and chemical changes
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Answer 1

Answer:

Hoping that this answer might help you.

Step-by-step explanation:

Physical change

1. No new substances with new properties are formed.

2. It can be reversed by simple physical methods.

3. It is temporary change.

4. Energy is neither needed nor produced.

Chemical change

1. New substance with new properties are formed.

2. Change cannot be reversed by simple physical methods.

3. It is permanent change.

4. Energy is either needed or evolved.