Question

2. What is the difference between a pure substance and a mixture?

Answer 1

A pure substance is made up of only one kind of particle. Mixtures are made up of pure substances combined together. A mixture is composed of at least two different kinds of particles.

Step-by-step explanation:

Answer 2

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.

Step-by-step explanation: