Atoms and Molecules
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Multiple Choice
Samples of water have been sourced from a river, a tap and a rainwater harvesting tank. However, upon testing, all the samples contain hydrogen and oxygen in the ratio of 1 : 8 by mass irrespective of the source of water. Which of the following laws does this prove?
- Law of conservation of mass
- Law of multiple proportions
- Law of definite proportions
- Law of atomic theory of matter
- None of these