C1 Flashcards
(9 cards)
What is an atom?
The smallest part of an element that can exist
What is an element?
Substances made up of only one type of atom
What is a compound?
Two or more elements chemically bonded together
What is a mixture?
Two or more elements or compounds not chemically bonded
What is filtration?
Separates an insoluble solid from a liquid / we use funnel, filter paper and beaker (flask)
What is evaporation?
Bunsen burner / heat is needed for water to be evaporated, separates a soluble solid from a liquid
What is simple distillation?
Separates solvent from solution, separates a liquid solvent from a dissolved solid
What is fractional distillation?
Separates two or more liquids which have different boiling points
What is Paper chromatography?
Separates mixtures of substances dissolved in solvent