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Calcium carbonate obtained from various sources contains same percentage by weight of calcium, carbon and oxygen. This data illustrates

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An Intiative by Sri Chaitanya

Law of reciprocal proportions

Law of definite proportions

Gay-Lussac's law

Law of multiple proportions

answer is A.

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Detailed Solution

Formula of calcium carbonate is always CaCO₃ irrespective of the source from which it is obtained ;

Law of definite proportions states that “Elements combine in the fixed ratio by weight to form a compound”

Thus the above data illustrates “Law of definite proportions”.

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