A mixture is formed when two or more substances are physically mixed together. A compound is formed when two or more substances are chemically combined through a chemical reaction. The components of a mixture can be sepa... More »

An element is a simple substance that is made from one type of atom and cannot be broken down into simpler components by chemical or physical means. A mixture is made from two or more substances that are chemically diffe... More »

Fog is a mixture because it is an aerosol of water droplets or ice crystals in air. Fog can also contain molecules of acids or ammonia. More »

A precise but simple explanation of the difference between a mixture and a solution is that a mixture is a substance made of other substances that are mixed but not joined together, while a solution is a substance made o... More »

A mixture is the result of combining two or more substances that do not react chemically. In order for a solution or combination to be labelled as a mixture, it must be possible to separate the individual components thro... More »

A pure substance contains only one kind of molecule, and a mixture is a combination of two or more pure substances. Distilled water, aluminum foil and table sugar are each made from only one type of particle. However, sa... More »

Caustic soda is an inorganic compound that is a metallic base neutralized by acidic substances. The chemical name for caustic soda is sodium hydroxide, and it has the chemical formula NaOH. It is also known as lye. More »