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
Name the solution used to react with Bauxite as a first step in obtaining pure aluminum oxide, in the Baeyer’s process
For bauxite, explain its significance in the extraction of aluminium.
Why is food containing iron salts should not be cooked in aluminium utensils?
For the substance listed below, explain its role in the extraction of aluminium: Cryolite
Write balanced equation for the following reaction:
Aluminium powder is warmed with hot and concentrated caustic soda solution.
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.
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.
Name the alloy used for the following purpose.
Making parts of watches
State the relevant reason for the following:
A layer of powered coke is used over the electrolytic mixture in Hall Heroult’s process.
