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प्रश्न
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 ____________. (Fe/Mg/Pb/Al)
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उत्तर
The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction Pb
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संबंधित प्रश्न
Name the following:
A metal oxide that can be reduced by hydrogen.
How is the following metallic oxide reduced? Write equations:
Iron (ll) oxide
Give equation for the following conversion: Ferric oxide to iron.
Name oxide of one metal which is reduced by (give equation): Reduction with carbon
Name a non-metallic element which forms acidic and neutral oxides
Name a non-metallic element which is a conductor of electricity.
Write balanced equation for the following reaction:
Reduction of copper oxide by hydrogen.
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 :
Name the process used for the enrichment of sulphide ore.
Give the equations for the reduction of copper oxide.
