👉 In chemistry, "crudes" refers to a type of liquid that is made by combining two or more different liquids. Crudes are often used in cooking and as a base for other substances, such as oil or butter. For example, in an oil-based dish, you might use a mixture of oil (like olive oil) with water or broth to make a sauce. The crude mixture would be the oil, which is made by boiling the oil with ingredients like salt, sugar, and