Define law of multiples proportions .

State and explain the law of multiple proportions.

The law of multiple proportion is illustrated by the two compounds a) Sulphur dioxide and Sulphur trioxide :

State and explain the law of reciprocal proportions or law of equivalent proportions.

Law of mulitple proportions is illustrated by one of the following pairs.

State and explain law of definite proportions

Which postulate of Dalton's atomic theory can explain the law of define proportion?