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What is cemical

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What is cemical
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Amar Kumar 7 years, 11 months ago

A chemical substance also known as a pure substance is a form of matter that has constant chemical composition and characteristic properties, one which has been artificially prepared or purified.Chemical substances can be chemical elements, chemical compounds, ions or alloys. Chemical substances are often called 'pure' to set them apart from mixtures.Examples:Iron,water,Carbon etc.

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