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NTA Abhyas NEET2020Chemistryp Block Elements (Group 13 & 14)Practice

Which of the following methods is used for obtaining aluminium metal?

Options

  1. AElectrolysing fused A l 2 O 3 and cryolite
  2. BBy heating A l 2 O 3 with carbon
  3. CBy heating A l 2 O 3 in Muffle furnace
  4. DBy a process called pyrometallurgy

Correct answer

A. Electrolysing fused A l 2 O 3 and cryolite

Step-by-step solution

Al is obtained by electrolysing fused A l 2 O 3 and cryolite.

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