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Question

# Carbon and oxygen form two compounds. Carbon content in one of them is 42.9% and in the other is 27.3%. The given data is in agreement with:

A
law of conservation of mass
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B
law of multiple proportions
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C
law of reciprocal proportions
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D
law of definite proportions
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Solution

## The correct option is A law of multiple proportionsThe given data is in agreement with Law of multiple proportions.The Law of multiple proportions states that the masses of one element combine with a fixed mass of the second element are in a ratio of whole numbers.In 100 g of the first compound O:C=57 /42.9 =1.33 In 100 g of the second compound O:C=72.7 /27.3 =2.66 Ratio =2.66:1.33=2:1This whole number ratio is consistent with Law of multiple proportions.

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