Classifying Matter by Composition

Matter: Pure Substances and Mixtures

According to its composition, the matter can be classified into two broad categories — pure substances and mixtures. 

A pure substance is a form of matter that has a constant composition throughout with uniform properties. For example, any sample of sucrose has the same composition ...

Matter is made of atoms, the smallest basic units of matter, and molecules, which are formed by combining two or more atoms together. Based on its composition, matter can be classified into two groups — pure substances and mixtures.

By definition, a matter is said to be pure if it is made of only one component, with a uniform composition ...