1.

Decide X, Y and Z correctly from the given options in the following sentences. (i) Thermal refining process is used for the refining of X metal. (ii) Zone refining process is used for purification of Y. (iii) Dyes can be separated by Z.

Answer»

X = IRON, Y = Ge, Z = MOND Carbonyl process 
X = Iron, Y = Ge, Z = Van Arkel method 
X = Copper, Y = Si, Z = CHROMATOGRAPHIC method 
X = Copper, Y = Si, Z = LIQUATION 

Answer :C


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