The liquid used for the washing of coal in an industrial coal washery is a mixture of water and Options: A . &nbspCarbon tetrachloride B . &nbspSand (40%) C . &nbspMineral oil of high viscosity & specific gravity (1.6) D . &nbspNone of these

The liquid used for the washing of coal in an industrial coal washery is a mixtu

Question

The liquid used for the washing of coal in an industrial coal washery is a mixture of water and

Options:

A . Carbon tetrachloride

B . Sand (40%)

C . Mineral oil of high viscosity & specific gravity (1.6)

D . None of these

Answer: Option B

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