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प्रश्न
Name a non-metallic element which is a liquid at ordinary temperatures
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उत्तर
Bromine
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संबंधित प्रश्न
Name the following:
A metal oxide that can be reduced by hydrogen.
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
An element L consists of molecules.
When L is heated with iron metal, it forms a compound FeL. What chemical term would you use to describe the change undergone by L?
How is the following metallic oxide reduced? Write the equation:
Zinc oxide
Name oxide of one metal which is reduced by (give equation): Reduction with carbon
Give the chemical name and formula of 'cryolite'
If fused metallic chloride is electrolyzed, at which electrode would the metal be obtained?
4 tones of bauxite, 150 Kg of sodium hydroxide and 600 Kg of graphite.
The aluminium compound in bauxite is aluminium oxide and the main impurity is iron (II) oxide. Aluminium is obtained by the electrolysis of aluminium oxide dissolved in cryolite.
(a) When bauxite is treated with sodium hydroxide solution, what happens to:
(i) the aluminium oxide?
(ii) The iron (III) oxide?
Give the equation for the reduction of Iron (III) oxide.
Give the equation for the reduction of Zinc oxide.
