CBSE Class 6 Answered

(a) No, it is not possible to separate a mixture of salt and sugar by using water as the solvent since both sugar and salt are soluble in water.

(b) The following steps will be done to separate this mixture:

i. Bring a magnet near this mixture several times. All the iron filings will stick to the magnet and get separated. Then, the mixture will be left with two components - chalk powder and common salt.

ii. Some water is added to this mixture and stirred. Common salt dissolves in water to form salt solution, whereas chalk powder remains undissolved.

iii. On filtering, chalk powder is obtained as a residue on the filter paper and salt solution is obtained as filtrate.

iv. This filtrate (salt solution) is evaporated and pure common salt is left behind.