Question

what are pure substances ​

Answer 1

Explanation:

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.

Answer 2

Answer : Substances that contain only one kind of particles are called pure substances.

Explanation

For example, Water is a pure substance as it consists of only one type of particles. What happens if you dissolve salt in it ? Will it remain pure ? No, as we now have salt particles along with water. Salt water is now a mixture as it contains more than one type of particles.

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