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Which is true for Column Chromatography?
Most adsorbed substances are retained near the top
Most adsorbed substances are retained near the bottom
The components of the mixture to be separated is called stationary phase
Chromatography is not a purification method
Solution
Depending upon the degree to which the components are adsorbed the bands are formed. The most readily adsorbed substances are retained near the top and others come down to various distances in the column.
Similar Questions
Match List$-I$ with List$-II$
List$-I$ | List$-II$ |
$(a)$ Sodium Carbonate |
$(i)$ Deacon |
$(b)$ Titanium | $(ii)$ Castner-Kellner |
$(c)$ Chlorine | $(iii)$ Van-Arkel |
$(d)$ Sodium hydroxide | $(iv)$ Solvay |
Choose the correct answer from the options given below :
Column $-\,I$ |
Column $-\,II$ |
$(A)$ Metal which occur in the native state in nature is |
$(P)$ $Hg$ |
$(B)$ The oxides of metal that can be commercially reduced by Aluminorthermic reduction process is |
$(Q)$ $Ti$ |
$(C)$ van Arkel method is used for preparing ultrapure metal of |
$(R)$ $Cr$ |
$(D)$ Auto reduction process is employed for the sulphide ore of |
$(S)$ $Ag$ |