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Draw a Neat, Well Labelled Diagram of Electrolytic Cell for Extraction of Aluminium - Chemistry

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Question

Draw a neat, well labelled diagram of electrolytic cell for extraction of aluminium

Diagram
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Solution

Electrolytic cell for the extraction of aluminium:

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2012-2013 (October)

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RELATED QUESTIONS

The process of leaching alumina, using sodium carbonate is called

  • Bayer's process
  • Decomposition
  • Cyanide process
  • Hall's process

Write the reactions involved in the zone of reduction in blast furnace during extraction of iron.


Write chemical formulae of the following ores :

(a) Calamine 

(b) Haematite                     

(c) Magnetite

(d) Corundum


Out of C and CO, which is a better reducing agent at the lower temperature range in the blast furnace to extract iron from the oxide ore?


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(b)Hall process

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What is the role of CO in the extraction of Iron?


What is the role of coke in the extraction of iron from its oxides?


What is the role of silica in the extraction of copper?


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Write the names and chemical formulae of any ‘two’ minerals of aluminium.


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(b) Siderite

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In the extraction of aluminium by Hall-Heroult process, purified \[\ce{Al2O3}\] is mixed with \[\ce{CaF2}\] to:

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Metal always found in Free State is 


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Match List - I with List - II.

  List - I   List - II
  (One)   (Composition)
(A) Siderite (I) FeCO3
(B) Malachite (II) CuCO3 · Cu(OH)2
(C) Sphalerite (III) ZnS
(D) Calamine (IV) ZnCO3

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