Petrochemicals are:
mixtures of petrol and chemical fertilizer.
materials obtained from petroleum refining.
mixtures of coal and petrol.
mixtures of wood and chemicals.
Petrochemicals are materials obtained from refining of petroleum. These petrochemicals are used as raw material for manufacturing synthetic fibres.
(a) State the main points of difference between homogeneous and heterogeneous mixtures.
(b) Classify the following materials as homogeneous mixtures and heterogeneous mixtures:
Soda-water, Wood, Air, Soil, Vinegar, Alcholol and water mixture, Petrol and water mixture, Chalk and water mixture, Sugar and water mixture, Copper sulphate solution.
How will you separate water and petrol from their mixture?