Fuels and Combustion
Naphthalene is removed from coke oven gas by

Absorbing in vetro-coke solution
Scrubbing with wash oil (a petroleum product)
Adsorbing on bog iron bed
None of these

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Fuels and Combustion
Anthracite can be used for

All of these
Making carbon electrodes
Blending with highly coking coal to check its swelling which helps in saving coke even walls from damage and to produce high strength coke
Recarbonising steel

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