Question

sand water and mustard oil can be separated by

Answer 1

filtration process by using filter paper

Answer 2

First stir this mixture very well and leave it undisturbed for sometime.

After sometime v can c tht  the mud, waterand oil forms seperate layers.

Seperate sand from the mixture by sedimantation and decantation or by filtration,

After tht pour the mixture of oil and water to seperating funnel and leave it undisturbed v can c tht the water settles at bottom as it is denser thn oil and oil flots on water.

Open the stopcock of sp funnel and pour out the lower layer  of water carefully then close the stopcock of the sp funnel wen oil reaches at bottom