Advertisements
Advertisements
प्रश्न
Name the alloy used for the following purpose.
Making electric circuits
उत्तर
Nichrome
APPEARS IN
संबंधित प्रश्न
Explain with reason:
Carbon can reduce lead oxide but not aluminium oxide.
Both brass and bronze contain copper as major constituents. Name other elements in these alloys.
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.
Give reason for the following:
Nitric acid can be stored in aluminium containers.
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?
Name the following :
A compound added to lower the fusion temperature of electrolytic bath in the extracton of aluminium.
Describe the role played in the extraction of aluminum:
Cryolite
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.
