State the law of conservation of mass and law of constant proportions.

1.	State the law of conservation of mass and law of constant proportions.
Answer» LAW OF CONSEVATION OF MASS = the mass can neither be created nor be destroyed in chemical reaction . LAW OF CONSTANT PROPORTION =in the chemical substance the elements are present in definite proportion by mass It states that Compounds are only formed when two or more elements are mixed in a fixed ratio by mass It states that Mass of reactants is equal to mass of reaction

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