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प्रश्न
Name the following :
A metal oxide that can be reduced by hydrogen
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उत्तर
PbO or CuO
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संबंधित प्रश्न
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
With reference to the reduction of copper (II) oxide , iron (II) oxide, lead (II) oxide and magnesium oxide; place the oxides in order of increasing ease of reduction.[i.e. first write the oxide that is most difficult to reduce and at last, the oxide, that is most easily reduced.]
What is the type of bonding expected in a metallic chloride?
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.
Answer the following question with respect by hydrogen :
Explain why powdered coke is sprinkled over than electrolytic mixture.
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 ________
Name two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen.
Give the equations for the reduction of copper oxide.
