Question

what is a pure substance​

Answer 1

Answer:

A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds.

Explanation:

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Answer 2

Answer:

A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. ... Elements and compounds are both examples of pure substances. Compounds are substances that are made up of more than one type of atom.

A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds.

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