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Question

In Hall Heroult Process fluorspar is used to increase and powdered coke is used to reduce .

A
solubility
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B
conductivity
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C
heat loss
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D
melting point
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Solution

The correct options are
B conductivity
C heat loss

Fluorspar increases electrical conductivity of electrolyte.
Powdered coke r
educes heat loss and prevents burning of anode.


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