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Metals and Non-metals — quick quiz

5 NSEJS-pattern questions on Metals and Non-metals. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Hard

During the extraction of aluminium by the Hall-Heroult process, cryolite (Na3AlF6) is added to alumina. The main purpose of adding cryolite is to: