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Q.

The methods NOT involved in concentration of ore are
A. Liquation
B. Leaching
C. Electrolysis
D. Hydraulic washing
E. Froth floatation
Choose the correct answer from the options given below:

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a

B, D and E only

b

A and C only

c

C, D and E only

d

B, D and C only

answer is B.

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Detailed Solution

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Liquation and electrolysis are used for the purification of metals not for concentration of ores.

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