Question

what do you mean by law of conservation of mass show with example.
please answer in a right way.​

Answer 1

✳️mean by law of conservation of mass:-

✍️According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.✔️

✳️example:-

✍️✔️

Answer 2

according to this law the mass of reactant will be equal to the mass of product and mass can neither be created nor be destroyed.
example
.. LHS = RHS

2H2 +O2= 2H2O2

4 gm+32 gm= ( 2 + 16 )2

36gm= 36gm