Question:
What is physical change ?
Give reasons.and WHY?
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Question:
What is physical change ?
Give reasons.and WHY?
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Answer:
Difference between Physical and Chemical Changes
Physical Change Chemical Change
Change in physical property Change in physical and chemical property
Reversible process Irreversible process
Energy is neither absorbed nor evolved Energy is either absorbed or evolved
No new product formation The new product is formed
Answer:
physical change is when there is no change in composition of substance . physical characters can be change though
like crushing of paper
breaking of glass
hence, all physical changes are not reversible
some reversible ones can be
mix of sulphur and iron fillings