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Match the scientific law with its propounder: A. Law of Constant Proportions, B. Law of Multiple Proportions, C. Law of Conservation of Mass. 1. Joseph Proust, 2. John Dalton, 3. Antoine Lavoisier

1. A - 1, B - 2, C - 3
2. A - 2, B - 1, C - 3
3. A - 3, B - 2, C - 1
4. A - 1, B - 3, C - 2

Correct answer: A - 1, B - 2, C - 3

Solution

The law of constant proportions was given by Joseph Proust, the law of multiple proportions by John Dalton, and the law of conservation of mass by Antoine Lavoisier. Hence the correct matching is A-1, B-2, C-3.

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