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प्रश्न
How is the following metallic oxide reduced? Write the equation:
Zinc oxide
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उत्तर
It is reduced by a carbon reduction process using a suitable reducing agent, carbon (C).
ZnO and Coke are heated in retort by producer gas (CO + N2) to get zinc spelter.
\[\ce{ZnO(s) + C(s) ->[1400^\circ C] \underset{(Zinc spelter)}{Zn(s)} + CO(g)}\]
संबंधित प्रश्न
Name the following:
A metal oxide that can be reduced by hydrogen.
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?
Give equation for the following conversion: Ferric oxide to iron.
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
Write balanced equation for the following reaction:
Reduction of lead (II) oxide by carbon.
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?
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 ________
Steel is an alloy of iron and ______.
Give the equation for the reduction of Iron (III) oxide.
