Question

laws of combinations?
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Answer 1

αиѕωєя❤:-

In simple terms, this law states that matter can neither be created nor destroyed. In other words, the total mass, that is, the sum of the mass of reacting mixture and the products formed remains constant.

Answer 2

LOW OF CONVERSATION OF MASS , LOW OF DEFINITE PROPORTIONS, LOW OF MULTIPLE PROPORTIONS, AVOGADRO LAW