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प्रश्न
What metallic property is shown by the non-metal graphite?
उत्तर
Graphite, like metals is a good conductor of electricity.
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संबंधित प्रश्न
Give appropriate scientific reasons for Zinc oxide can be reduced to zinc metal by using
carbon, but aluminium oxide cannot be reduced by a reducing agent
Name oxide of one metal which is reduced by (give equation): Electrolytic reduction
Name oxide of one metal which is reduced by (give equation): Reduction with heat alone
Name a non-metallic element which has a metallic lustre
Write balanced equation for the following reaction:
Reduction of iron (III) oxide by carbon monoxide.
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?
Answer the following question with respect by hydrogen : Identify the components of the electrolyte other than pure alumina and the role played by each.
Complete the following by selecting the correct option from the choices given :
The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction ________
Write a balanced equation for the reduction of copper (ll) oxide by hydrogen.
Give the equation for the reduction of Zinc oxide.
