Question

what is meant by a pure substance?fferen​

Answer 1

Pure Substance. A substance that has a fixed chemical composition throughout is called a pure substance such as water, air, and nitrogen. A pure substance does not have to be of a single element or compound.

Answer 2

Answer:

Pure Substance is a  substance that has a fixed chemical composition throughout is called a pure substance such as water, air, and nitrogen. A pure substance does not have to be of a single element or compound.