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प्रश्न
What metallic property is shown by the non-metal graphite?
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उत्तर
Graphite, like metals is a good conductor of electricity.
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संबंधित प्रश्न
How is the following metallic oxide reduced? Write equations:
Iron (ll) oxide
Give equation for the following conversion: Aluminium hydroxide to aluminium oxide.
Name oxide of one metal which is reduced by (give equation): Reduction with heat alone
Write balanced equation for the following reaction:
Reduction of copper oxide by hydrogen.
Write balanced equation for the following reaction:
Reduction of lead (II) oxide by carbon.
If fused metallic chloride is electrolyzed, at which electrode would the metal be obtained?
In order to obtain one tone of aluminium, the following inputs are required:
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.
(i) Write the formula of cryolite.
(ii) Write down the word which correctly completes the following sentence.
"By dissolving aluminium oxide in cryolite, a ______ (conducting / non- conducting) solution is produced.
(iii) Why so much graphite required for this electrolytic process.
(iv) Write the equation for the reaction which takes place at cathode.
Steel is an alloy of iron and ______.
Give the equation for the reduction of Iron (III) oxide.
Give the equations for the reduction of Lead (II) oxide.
