Question

basic difference between physical change and chemical change

Answer 1

the basic difference between the both is that :

in a  physical change  the substance doesn't change . In a chemical change  there is a chemical reaction and  a new substance is formed.

Answer 2

Physical Changes: The type of changes in which a particular substance changes it's physical state only are known as physical changes. - These are reversible changes. -Only the physical properties of a substance are changed. - Formation of ice,  melting of wax etc.  Chemical Changes: The changes in which the chemical properties of a substance is changed are known are chemical changes. - These are non reversible changes. - The chemical properties of the substance are changed. -Eg: Ripening of fruits, rusting of iron etc.  Hope it helps....❤