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level: The Laws of Chemical Combination

Questions and Answers List

level questions: The Laws of Chemical Combination

QuestionAnswer
The Law of Conservation of MatterMatter cannot be created or destroyed in a chemical reaction.
The Law of Constant CompositionA compound always contains the same elements combined together in the same proportion by mass.
Is it possible for the chemical composition of a compound to change?No, the chemical composition of a compound cannot change.
The Law of Multiple ProportionsIf two elements "A" and "B" combine together to form more than one compound, then the different masses of "A" which combine with a fixed mass of "B" are in a simple ratio.