The law of conservation of mass, law of definite proportion and law of multiple proportions has to be explained on basis of Dalton’s atomic theory.
Dalton’s atomic theory:
- 1) Every element is composed of minute particles called as atoms.
- 2) Atoms of same element are identical and atoms of different elements are non identical.
- 3) When different atoms are combined together chemical compounds are obtained.
- 4) Atoms themselves don’t take part in chemical reaction. Chemical reactions take place only by altering the way the atoms are bound together.