Question

3. state the folloing
(11 Law of conservation of mass
(10 Low of Constantproportion

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Answer 1

Answer:

refer textbook or thanks

Answer 2

1) Law of Conservation of Mass - Mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.

2) Laws of constant proportion – It states that in a chemical substance the elements are always present in a fixed proportion by their mass.

Hope it helps.