Sugar from an aqueous solution
Solid particles and oil
Salt from seawater
Dust and air
Benzene and water (non-soluble liquids)
Components of ink
Sand and water
Magnetic parts of a car
Steel particles and sand
Pigments from plants
Alcohol and oil (non-soluble liquids)
Copper particles and water
Propanol and ethanol
Alcohol and water
Oil and water
Iron and sand
Gasoline and water
Gold particles and alcohol
The components of petrol
Rice and iron