The chemical that is added to reduce the melting point of the reaction mixture during the extraction of aluminium is:
The chemical that is added to reduce the melting point of the reaction mixture during the extraction of aluminium is:
Option 1 -
Kaolite
Option 2 -
Bauxite
Option 3 -
Calamine
Option 4 -
Cryolite
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1 Answer
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Correct Option - 4
Detailed Solution:When we add cryolite (Na? AlF? ) in the extraction of aluminium, the melting point of alumina decreases
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