Question

state and explain law of conservation constant proportion

Answer 1

1.law of conservation of mass said that mass cannot be destroyed and cannot formed. 2.law of conservation of energy said that energy cannot be formed and cannot be destroyed

Answer 2

hy mate,

Law of Conservation of mass. The law of conservation of mass states that the net change in mass of the reactants and product before and after a chemical reaction is zero.This means mass can neither be created nor destroyed. In other words the total mass in a chemical reaction remains constant.
hope its help you...