Question

There are _ laws of chemical combination *


5

7

2

9

Other:


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Answer 1

Answer:

5 is right answer.

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Answer 2

Answer:

there are 5 laws of chemical combination..

Law of Conservation of Mass.

Law of Definite Proportions.

Law of Multiple Proportions.

Gay Lussac's Law of Gaseous Volumes.

Avogadro's Law.