Statement (A): In water, hydrogen and oxygen combine in the ratio of 2:1 of weights.
Statement (B): In HCl, hydrogen and chlorine combine in the ratio of 1: 17 of weights.
Statement (C): In a chemical substance, elements are always present in definite proportions by their atomic mass.

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A and B are incorrect but C is correct

All the above statements are incorrect

A and B are correct but C is incorrect

All the above statements are correct

answer is D.

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Detailed Solution

In a chemical substance, elements are always present in a definite proportion by weight.

In water H and O combine in the ratio 2:16 of weight (or) 1:8 ,not 2:1

HCl ratio is 1:35.5 not 1:17.

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