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प्रश्न
Name the following:
The chief ore of aluminium.
उत्तर
Bauxite
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संबंधित प्रश्न
Name the process by which the refining of aluminium is done ?
Name three alloys of steel. Give their compositions and uses.
Name the constituents of Duralumin.
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.
Give reason for the following:
Extraction of aluminium was very difficult in the beginning.
Aluminium is extracted from its chief ore bauxite. The ore is first purified and then the metal is extracted from it by electrolytic reduction.
Write an equation for the reaction which takes place at the anode during the extraction of aluminium by the electrolytic process.
Describe the role played in the extraction of aluminum:
Sodium hydroxide
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
Answer the following question:
Write the chemical formula of one main ore of iron and aluminium.
