Question

xit ticket 7 (module 2 - lesson 5)
question 1. what is the difference between mixtures and pure substances?

Explanation:

Answer:

A pure substance has a fixed and definite composition, either an element (made of one - type of atom) or a compound (made of two or more types of atoms chemically combined in a fixed ratio). A mixture is made up of two or more substances that are physically mixed together and not chemically combined, and its composition can vary.