Question

define the law of conservation of mass!!!!​

Answer 1

According to law of conservation of mass MASS can neither be created nor destroyed.It remains

equal after chemical reaction.

when a chemical change occurs its state and form may change but mass always remains same before and after.

Answer 2

Answer:

The law of conservation of mass is defined as "mass can neither be created nor can be destroyed but it can only be converted from one form to another "

Explanation:

For example : In a chemical reaction , the mass of the reactants is equal to that of the mass of the product .

CH4 + 4O → CO2 + 2H2O