A compound is a pure substance

composed of two or more different atoms chemically bonded to one another. That means that it can not be separated into its constituents by mechanical or physical means and only can be destroyed by chemical means.

How do you separate compounds?

When one compound is dissolved in another, or when two liquids are mixed together, the most commonly used method to separate them is distillation. In a distillation, the mixture is slowly heated over a Bunsen burner or hotplate.

What is it called when you separate a compound?

Chemical Separations. One of the most important and time-consuming. activities in chemistry involves isolating, separating, and purifying chemical compounds. Extraction (literally, "taking out by force") is a useful technique for separating compounds such as I₂ and KMnO₄ that have different polarities.