Advertisements
Advertisements
प्रश्न
Write the balanced chemical equation to show the concentration of ore in Baeyer’s process.
Aluminium hydroxide to alumina
उत्तर
\[\ce{2Al(OH)3 -> Al2O3 + 3H2O}\]
Explanation:
Aluminium hydroxide upon heating at 1000°C gives alumina, i.e., aluminium oxide and water.
APPEARS IN
संबंधित प्रश्न
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
Explain why In the electrolysis of alumina using the Hall Heroult's Process the electrolyte is covered with powdered coke
Name three alloys of steel. Give their compositions and uses.
For graphite, explain its significance in the extraction of aluminium.
The reason for using Aluminium in the alloy duralumin is ______.
Name the following:
The chief ore of aluminium.
Name the ore from which aluminium is extracted.
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 three balanced equations for the purification of bauxite by Hall's process.
The following question relate to the extraction of aluminium by electrolysis.
Explain why is it necessary to renew the anode periodically.
Explain why :
Iron sheets are coated with zinc during galvanization.
