Question

differentiate between physical and chemical changes

Answer 1

Hii
Here is ur answer
Chemical change - are those changes by which we can't make new thing
And by Physical change we can make new things means when we break a glass we can again use it .
Hope it helpful

Answer 2

physical change means no new substances are formed is called physical change. 
chemical change means where new substances with different properties are formed is called a chemical change.