TESTING MIXING AND SEPARATING

CARBON DIOXIDE TEST

turning limewater milky in the presence of carbon dioxide

CHROMATOGRAPHY

separating inks of different densities

COMPOUND

substance made of 2 or more elements chemically combined in a set ratio

CONCENTRATED

large quantity of solute per unit volume of solvent

CRYSTAL

substance where particles are packed in a regularly ordered repeating structure

DECANTING

pouring off the top layer of a mixture of liquids

DILUTE

small quantity of solute per unit volume of solvent

DISSOLVE

breaking up of a solute creating a solution

DISTILLATION

technique separating liquids via different boiling points

EVAPORATING

liquid to gas

EVAPORATION

liquid particles on a surface become a gas

FILTRATION

technique separating solids from liquids

HYDROGEN TEST

burning splint pops at the presence of hydrogen

INSOLUBLE

unable to break up and mix in with surrounding particles

MAGNETIC SEPARATION

using an electromagnet to separate iron from a mixture

MIXTURE

jumble of substances not joined together

OXYGEN TEST

glowing splint relights in the presence of oxygen

SATURATED

solution formed when no more solute can dissolve, leaving solids at the bottom

SOLUBLE

able to break up and mix in with surrounding particles

SOLUTE

substances dissolved in solvent

SOLUTION

combined solute and solvent

SOLVENT

fluid dissolving solute