Advertisements
Advertisements
Question
For graphite, explain its significance in the extraction of aluminium.
Solution
Thick graphite rods are used as the anode in electrolytic reduction.
APPEARS IN
RELATED QUESTIONS
Answer the following questions with respect to the electrolytic process in the extraction of aluminum:
Identify the components of the electrolyte other than pure alumina and the role played by each
For the substance given below, describe the role played in the extraction of aluminium.
Graphite
Both brass and bronze contain copper as major constituents. Name other elements in these alloys.
For sodium hydroxide, explain its significance in the extraction of aluminium.
How is ore purified (give equations also)
Aluminium is extracted from its chief ore bauxite. The ore is first purified and then the metal is extracted from it by electrolytic reduction.
Mention one reason for the use of aluminium in thermite welding. Which particular property of cast iron makes it unsuitable for the construction of bridges?
Answer the following question :
Name a metal which is found abundantly in earth's crust.
In Hoope's process, pure aluminium is collected at the ______ of the electrolytic cell.
Name the alloy used for the following purpose.
Making electric circuits
In Hall and Heroult's process, products liberated at anode and cathode are ______