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प्रश्न
How will you convert the following:
Zinc blende to Zinc metal
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उत्तर
Zinc blende to Zinc metal
ZnS on roasting gives ZnO which on reduction gives zinc metal.
\[\ce{2 ZnS + 3O2 -> 2 ZnO + 2 SO2}\]
\[\ce{ZnO + C->[coke, 1673K] Zn + CO}\]
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संबंधित प्रश्न
How is ‘cast iron’ different from ‘pig iron’?
The reaction,
Cr2O3 + 2Al → Al2O3 + 2Cr
(ΔGθ = -421kJ) is thermodynamically feasible as is apparent from the Gibbs energy value. Why does it not take place at room temperature?
Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.
Write chemical reactions taking place in the extraction of zinc from zinc blende.
The choice of a reducing agent in a particular case depends on thermodynamic factor. How far do you agree with this statement? Support your opinion with two examples.
In the metallurgy of aluminium ______.
Below point ‘A’ \[\ce{FeO}\] can ______.
For the metallurgical process of which of the ores calcined ore can be reduced by carbon?
(i) Haematite
(ii) Calamine
(iii) Iron pyrites
(iv) Sphalerite
A cuprous ore among the following is:-
Carbon deposition reaction taking place in ______.
