Question

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 :

• A. B, D and E only
• B. $C , D$ and $E$ only
• C. $A$ and $C$ only
• D. B, D and C only

Answer 1

Answer: (C)

$A$ and $C$ only

Answer 2

Methods involved in concentration of one are
(i) Hydraulic Washing
(ii) Froth Flotation
(iii) Magnetic Separation
(iv) Leaching