Question

what is law of conservation of mass and constant propotion

Answer 1

Laws of conservation of mass - It states that mass can neither created nor destroyed. The total mass before and after a chemical reaction remains constant.

Laws of constant proportion - It states that in a chemical substance the elements are always present in a fixed proportion by their mass.

Answer 2

law of conservation states that total mass of the reactants is equal to total mass of the products provided masses are measured under same conditions.
law of constant proportion states that certain mass of reactant will almays react with a definite mass of other reactant.

plzz mark my ans as brainlist