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