Advertisements
Advertisements
Question
In Hoope's process, pure aluminium is collected at the ______ of the electrolytic cell.
Options
top
bottom
Solution
In Hoope's process, pure aluminium is collected at the top of the electrolytic cell.
APPEARS IN
RELATED QUESTIONS
Explain why In the electrolysis of alumina using the Hall Heroult's Process the electrolyte is covered with powdered coke
Explain with reason:
Carbon can reduce lead oxide but not aluminium oxide.
Name three alloys of steel. Give their compositions and uses.
In order to obtain 1 tonne of aluminium, the following inputs are required: 4 tonnes of bauxite, 150 kg of sodium hydroxide and 600 kg of graphite. The aluminium compound in bauxite is aluminium oxide and the main impurity is iron (III) oxide. Aluminium is obtained by the electrolysis of aluminium oxide dissolved in cryolite.
When bauxite is treated with sodium hydroxide solution, what happens to:
- the aluminium oxide,
- the iron (III) oxide?
In the Hall's process for extraction of aluminium, Sate the location of cathode and anode and explain what occurs at each electrode.
Explain and give reasons why aluminium vessels should not be cleaned with powders containing alkalis.
Explain why :
In the electrolysis of alumina using the Hall Heroult's Process the electrolyte is covered with powdered coke.
Name the alloy used for the following purpose.
Making parts of watches
Write the constituents of the electrolyte for the extraction of aluminium.
Fused alumina is reduced to aluminium by electrolytic reduction, since ______.