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Pour a mixture of oil and coloured water in a separating funnel . Leave the funnel undisturbed for few minutes . Oil and water separate into two layers since water is heavier than the oil it will form the lower layer .
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Pour a mixture of oil and coloured water in a separating funnel . • Leave the funnel undisturbed for few minutes . • Oil and water separate into two layers since water is heavier than the oil it will • form the lower layer . • Since the separation of layers is complete, open the stop • cock of the funnel and allow water to come out slowly . • Close the stop cock when once all the • water is collected . • After that oil can be easily collected in a • beaker .