Question

What do you mean by pure substance ????​

Answer 1

Answer:

Explanation:

Pure substances are defined as substances that are made of only one type of atom or molecule. The purity of a substance is the measure of the extent to which a given substance is pure. The physical properties of a pure substance include well-defined melting and boiling points.

Answer 2

Answer:

⭕ When no impurity or no other type of atoms is mixed in a substance that substance is said to be pure substance.

⭕ There are two types of pure substance -

-> Elements

-> Compounds

⭕ when a pure substance participate in a chemical reaction they give a predictable product.

⭕ A pure substance has definite and constant composition.

⭕ Examples of pure substance are :-

-> sucrose

-> baking soda

-> common salt

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