Question

You are provided with a mixture of salt, sand, oil and water. Write the steps involved for the separation of salt, sand and oil from the mixture by giving an activity along with the diagram.

April 26, 2024

Answer

(i) Oil being insoluble in water forms a separate layer. The top layer of oil is decanted to separate it from the

(ii) The mixture is then filtered with the help of a filter paper and funnel. The mixture is poured on the filter paper. Sand particles being bigger in size do not pass through the filter paper, they remain on the filter and the liquid is collected in the beaker placed under the funnel.

(iii) Heat the beaker and allow it to boil. Water evaporate leaving behind the salt.

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