Q. Corundum and Cryolite are important ores of which of the following metals?
Answer: Aluminium
Notes: Aluminium is the most abundant metal in the earth’s crust. Aluminium does not occur free in nature, but its compounds are numerous and widely distributed. The chief and important ore from which aluminium is exclusively obtained is Bauxite. Corundum and Cryolite are also important ores of aluminium.

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