Friday, May 18, 2012

Laws of chemical combination

1. Law of conservation of mass or Law of conservation of matter

Statement: Matter can neither be created nor be destroyed.


2. Law of definite proportion

Statement: When two elements combine to form a given compound, they always do so in fixed proportion.


3. Law of multiple proportion

Statement: When two elements combine to form more than one compound, the masses of one element which combine with a fixed mass of the other element are in ratios of small whole numbers.


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