Question

How are pure substances and mixtures different?

Answer 1

Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components. A chemical substance is composed of one type of atom or molecule.

Answer 2

Pure substance are those in which the elements are combined together bear a simple whole number ratio.
But in case of mixture it does not do so.
plz mark this as brainlist plzzzz