Question

How to separate mixture of sand ,water,mustard oil

Answer 1

Explanation:

Mixture of sand and mustard oil can be separated by separating funnel.

Left is sand and water which can be separated by sedimentation and decantation.

Answer 2

Water and mustard oil forms two distinct layers. Oil being lighter forms upper layer while the water forms lower layer. Open the tap of the separating funnel and let the lower layer to collect down in the beaker. Close the tap when lower water layer is completely separated.