State whether the following statements are True or False. Also, correct the False statements.

(A) Salt can be separated from a salt solution by evaporation or distillation.

(B) Distillation can be used for separation of two liquids even when these have the same boiling point.

(C) In paper chromatography, the solvent level should be above the sample spot at the beginning of the experiment.

(D) Evaporation and crystallization are the same processes. [Pg. No. 82]

(A) True

Explanation: Salt can be separated from salt solution by evaporation. It can also be separated by distillation, where water distils over and salt remains behind.

(B) False

Correction: Distillation cannot separate two liquids having the same boiling point. It is used when the liquids have different boiling points.

(C) False

Correction: In paper chromatography, the solvent level should be below the sample spot. If the spot is dipped in the solvent, the sample may dissolve directly into the solvent.

(D) False

Correction: Evaporation and crystallisation are not the same. In evaporation, the solvent is removed by heating, while in crystallisation, pure solid crystals are obtained from a concentrated solution, usually by cooling or slow evaporation.