Question

Which separation technique is used to separate a mixture of kno3 and nacl?

Answer 1

Potassium nitrate is only slightly soluble in zero degree water, while sodium chloride's solubility is equally soluble in zero degree or 20 degree water. So, chill the mixture to zero degrees and filter off the potassium nitrate crystals. Then, evaporate the water from the filtrate to recover the sodium chloride