Advertisements
Advertisements
Question
What impurities are present in aluminium ore?
Solution
Silica (SiO2), ferric oxide (Fe2O3) and titanium oxide (TiO2) are the impurities present in aluminium ore.
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.
For bauxite, explain its significance in the extraction of aluminium.
Name the following:
The substance added along with aluminium in the Hall-Heroult's process.
In the Hall's process for extraction of aluminium, Give the formula and purpose of fluorspar and cryolite
Explain and give reasons why aluminium vessels should not be cleaned with powders containing alkalis.
The following question relate to the extraction of aluminium by electrolysis.
Name the other aluminium containing compound added to alumina and state the significance.
The following question relate to the extraction of aluminium by electrolysis.
Give the equation for the reaction that takes place at the cathode
Describe the role played in the extraction of aluminum : Graphite
Explain why :
In the electrolysis of alumina using the Hall Heroult's Process the electrolyte is covered with powdered coke.
Name the solution used to react with bauxite as a first step in obtaining pure aluminium oxide, in the Baeyer's process.
Write the equation for the reaction where the aluminium oxide for the electrolytic extraction of aluminium is obtained by heating aluminium hydroxide.
Write the constituents of the electrolyte for the extraction of aluminium.
The chief ore of Aluminium is ______
Write the balanced chemical equation to show the concentration of ore in Baeyer’s process.
Sodium aluminate to aluminium hydroxide
In Hall and Heroult's process, products liberated at anode and cathode are ______
State true or false.
Bauxite is the main ore of aluminium.
