Question

give limitations of law of constant proportion​

Answer 1

Answer:

The law does not hold true if the different isotopes of the element are involved in making chemical compound. the law is not applicable when elements combine in the same ratio but different compounds are formed. When an element exists in the form of different isotopes in its compounds, the law does not hold good.

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Answer 2

Explanation:

1 ) This law does not apply to those elements whose existence is occurring in the form of isotope

2) The elements may combine in the same ratio to form different compounds