2. Giving at least four points, prove that water is a compound, not a mixture.
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(1) Water is made up of 2 elements in a fixed ratio.
(2) Its constituents can be separated only by chemical or electrochemical reactions.
(3) Its formed by reaction between hydrogen & oxygen with a chemical bond.
(4) Water has totally different properties from 2 elements.
(5) It has a fixed boiling point.
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Water is formed by the chemical bond between 2 hydrogen and one oxygen atom.
A bond between atoms of water can be broken by chemical reaction. Whereas, in a mixture, components are separated by physical means. Example:- Sand and water.
Atoms of water cannot be separated by the physical process.
Hence, water is a compound because it can only be separated into hydrogen and oxygen atom by chemical reaction.
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