A layer of coke is spread over bauxite during extraction of aluminium.

1.	A layer of coke is spread over bauxite during extraction of aluminium. This acts as a/an
Answer» Flux Slag to remive impurities Reducing agent INSULATION and does not yellow HEAT to escape Solution :A layer of coke is spread over molten BAUXITE during extraction of aluminium. This acts as an insulation and does not ALLOW heat to excape.

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