What is a compound? Give an example

By
What is a compound? Give an example.

A Compound is u substance made up of two or more elements chemically combined in a fixed ratio by weight. 

They are homogeneous and exhibit definite physical and chemical properties E.g water is a compound. 

It is made up of two elements hydrogen and oxygen, which combine chemically in a fixed ratio of 1:8 by weight. 

It possesses properties entirely different from the properties of
hydrogen and oxygen.

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