Question

To obtain pure aluminium oxide, the ore of aluminium must first be treated with

A. Molten cryolite

B. Molten fluorspar

C. Sodium hydroxide solution

D. Silver nitrate solution​

Answer 1

Answer:

Sodium hydroxide solution

Explanation:

The ore from which aluminium is extracted must first be treated with NaOH so that pure Aluminium oxide can be obtained.

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