Question

give the differences between physical and chemical change

Answer 1

physical change-
no new substance is formed
no chemical reaction is done
no change in the chemical properties of the substance
mostly reversible

chemical change-
new substance is formed
chemical reaction takes place
change in the chemical properties of the substance
mostly irreversible

Answer 2

physical changes. chemical changes

1. it is temporary. 1.it is permanent
2.new substance are not 2.new substance
produced. are produced