The separation of two coloured substances was done by paper chromatography. The distances travelled by solvent front,substance $A$ and substance $B$ from the base line are $3.25 \ cm$,$2.08 \ cm$ and $1.05 \ cm$ respectively. The ratio of $R_{f}$ values of $A$ to $B$ is $.........$
- A$5$
- B$3$
- C$8$
- D$2$
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Similar Questions
How is the pure liquid separated from a mixture obtained by vapour distillation?
Easy
View SolutionThe correct match between items $I$ and $II$ is
Item-$I$ (Mixture) Item-$II$ (Separation method) $(a)$ $H_2O :$ Sugar $p.$ Sublimation $(b)$ $H_2O :$ Aniline $q.$ Recrystallization $(c)$ $H_2O :$ Toluene $r.$ Steam distillation $s.$ Differential extraction
| Item-$I$ (Mixture) | Item-$II$ (Separation method) |
| $(a)$ $H_2O :$ Sugar | $p.$ Sublimation |
| $(b)$ $H_2O :$ Aniline | $q.$ Recrystallization |
| $(c)$ $H_2O :$ Toluene | $r.$ Steam distillation |
| $s.$ Differential extraction |
Name the appropriate method to separate a mixture of calcium sulfate and camphor.
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View Solution$A$ mixture of sand and sulphur may best be separated by:
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View SolutionWhat is sublimation? Give its uses and examples.
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