Question

Definition of law of constant proportion

Answer 1

According to law of constant proportion, A chemical compound always found to be made up of the same element combined together in the same fixed proportion by mass. For example, In water hydrogen and oxygen elements combined together in the same fixed ratio 1:8 by mass. It is also known as Proust law of chemical combination. I hope it will help you.

Answer 2

In chemistry, the law of definite proportions, sometimes called Proust's law or the law of definite composition, or law of constant composition states that a given chemical compound always contains its component elements in fixed ratio (by mass) and does not depend on its source and method of preparation.