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Class 9 Creative Holiday Homework Guide by Sujay Raj Srivastava is a document available to read on EtoBox.

The document discusses three laws of chemical combination: 1) Law of conservation of mass - The total mass of the products of a chemical reaction equals the total mass of the reactants. This was established by Antoine Lavoisier. 2) Law of constant proportion - A chemical compound always contains the same elements in the same proportions by mass. For example, water always contains hydrogen and oxygen in a 1:8 ratio by mass. 3) Law of multiple proportions - When two elements combine to form more than one

Author

Sujay Raj Srivastava

Language

EN