Question

question no. 1) :-Which organisation approves the names of elements all over the world ? Write the symbol of gold
question no. 2) :- Define law of conservation of mass.






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Answer 1

1st_ The organization that approves the name of elements all over the world is (International Union of Pure and Applied Chemistry) . The symbol for gold is Au.

2nd_ The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.

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