Advertisements
Advertisements
प्रश्न
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
उत्तर
Cryolite
APPEARS IN
संबंधित प्रश्न
Name three alloys of steel. Give their compositions and uses.
For bauxite, explain its significance in the extraction of aluminium.
For sodium hydroxide, explain its significance in the extraction of aluminium.
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 ?
The reason for using Aluminium in the alloy duralumin is ______.
An aqueous solution of sodium chloride is not used for electrolytic reduction of sodium metal. Why?
Name the following :
A compound added to lower the fusion temperature of electrolytic bath in the extracton of aluminium.
Write the equation for the reaction that occurs at the cathode during the extraction by aluminium by electrolysis.
Name the alloy used for the following purpose.
Making parts of watches
Answer the following question:
Write the chemical formula of one main ore of iron and aluminium.
