Is Matter Around Us Pure?

The concept of 'pure' substances differs in everyday language and scientific terms, where pure substances contain only one type of particle, unlike common mixtures.

What Is A Mixture?

This section explains the nature of mixtures, their classifications, and the distinction between homogeneous and heterogeneous mixtures.

Types Of Mixtures

This section introduces the different types of mixtures, explaining the distinctions between homogeneous and heterogeneous mixtures.

What Is A Solution?

A solution is a homogeneous mixture composed of a solute dissolved in a solvent, which can exist in various forms including liquids, gases, and solids.

Concentration Of A Solution

This section explains the concept of concentration in solutions, detailing various methods for expressing it.

What Is A Suspension?

A suspension is a heterogeneous mixture in which solid particles do not dissolve but remain suspended in a liquid.

What Is A Colloidal Solution?

A colloidal solution consists of particles that are uniformly dispersed throughout another substance, appearing homogeneous but being a heterogeneous mixture.

Physical And Chemical Changes

This section discusses the distinction between physical and chemical changes, emphasizing how these changes affect the composition of substances.

What Are The Types Of Pure Substances?

The section outlines the classifications of pure substances, which include elements and compounds, and highlights their distinct characteristics.

Elements

This section introduces the concept of elements as pure substances, explaining their properties and categorization.

Compounds

A compound is a substance formed from two or more elements chemically combined in fixed proportions, displaying distinct properties from its components.