($2$) Distillation : It is used to separate volatile liquids from non-volatile impurities and the liquids having sufficient difference in their boiling point.
($3$) Chromatography : It is based on separation by using stationary and mobile phase.
($4$) Crystallization : It is based on difference in the solubilities of the compound and impurities in a suitable solvent.
(આણ્વિય દળ ${Ba}=137 \,{u})$
| સૂચિ $II$ (મિશ્રણ) | સૂચિ $II$ (અલગીકરણ તકનીક) |
| $A$ $CHCl _3+ C _6 H _5 NH _2$ | $I$ વરાળ નિસ્યંદન |
| $B$ $C _6 H _{14}+ C _5 H _{12}$ | $II$ વિભેદી નિષ્કર્ષણ |
| $C$ $C _6 H _5 NH _2+ H _2 O$ | $III$ નિસ્યંદન |
| $D$ Organic compound in $H _2 O$ | $IV$ વિભાગીય નિસ્યંદન |
નીચે આપેલા વિકલ્પોમાંથી સાચો જવાબ પસંદ કરો.