Question

please answer exam are near any expert to help

Answer 1

 a) Atoms are indivisible and indestructible. Atoms cannot be created nor destroyed in a chemical reaction.
b) The relative number and kinds of atoms in a given compound are constant.

Answer 2

(a) Law of conservation of mass is explained by the postulate "The relative number and kinds of atoms are constant in a given compound"

(b) Law of Constant Proportions is explained by the postulate " Atoms combine in ratio of small whole numbers to form compounds.

Hope it helps.....