COMEDK · Chemistry · 21. General Principles and Processes of Isolation of Metals
In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to
- A dissolve bauxite and render it conductor of electricity.
- B lower the melting point of bauxite.
- C minimise the heat loss due to radiation.
- D protect aluminium produced from oxygen.
Answer & Solution
Correct Answer
(B) lower the melting point of bauxite.
Step-by-step Solution
Detailed explanation
In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to lower the melting point of bauxite and brings conductivity.
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