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Question

Law of definite proportions was given by:


A

N3- , O2- , F- , S2-

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B

Li+ , Na+ , Mg2+ , Ca2+

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C

K+ , CI-, Ca2+ , Sc3+

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D

Ba2+ , Sr2+ , K+, ca2+

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Solution

The correct option is A

N3- , O2- , F- , S2-


Joseph Proust noticed that all the compounds were compounds of two or more elements and each such compound had the same elements in same proportions, irrespective of where the compound came from or who prepared it.


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