Question

state the law of constant proportion. Give one example to illestrate this law​

Answer 1

Answer:

Joseph Proust put forward law of proportion in 1779. This law was stated by Proust as “In a chemical substance the elements are always present in definite proportions by mass”.

For example- Carbon dioxide exists in nature in different forms and can be chemically produced in different ways. Yet, all the different samples of carbon dioxide will always contain the same elements. i.e. carbon and oxygen is in the same proportion by mass 3:8.

Explanation:

Answer 2

Answer:

The law of constant proportion was given by Joseph Louis proust. It says that in a chemical substance (compound) elements are always present in definite proportion by mass. For example: In a compound such as water the ratio of mass of hydrogen to the mass of oxygen is always 1:8.

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