Match the following:
Set – A Set – B
A) Law of conservation of mass 1) Atomic weight
B) Law of definite proportions 2) Atomic Number
C) Elements always combined in a
fixed ratio of
3) Lavoisier
4) Proust

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A-2, B-4, C-1

A-3, B-1, C-2

A-1, B-2, C-3

A-3, B-4, C-1

answer is D.

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Detailed Solution

Law of conservation of mass proposed by – Lavoisier

Law of definite proportions proposed by – Proust

Elements always combined in a fixed ratio of “atomic weight”.

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Set – A	Set – B
A) Law of conservation of mass	1) Atomic weight
B) Law of definite proportions	2) Atomic Number
C) Elements always combined in a fixed ratio of	3) Lavoisier
	4) Proust