Chem

water

water

compound

carbon dioxide

compound

copper

element

nickel

element

silver

element

gold

element

mercury

element

air

compound

carbon

element

iron

element

helium

element

sand

mixture

steel

mixture

neon

element

milk

mixture

uranium

element

tea

mixture

soup

mixture

blood

mixture

coffee

mixture

Filtration

for sand water mixture

Distillation

for alcohol and water mixture

chromatography

vapor