Question

if mustard seeds, fenugreek seeds,salt and sand are mixed what separation techniques do you follow to separate

Answer 1

Firstly separate the seeds using handpicking.
Then dissolve the mixture of sand and salt in water.
The sand will settle down, so filter it out using filtration or sedimentation and decantation method.
Now you can obtain salt from salt solution by evaporating water.

Answer 2

Using the filtration and hand picking method