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Standard X
Chemistry
Reduction of Oxides
Which one of ...
Question
Which one of the methods given in column I is applied for the extraction of each of the metals given in column II:
Column I
Column II
Electrolytic reduction
Aluminium
Reduction with Carbon
Zinc
Reduction with Aluminium
Sodium
Iron
Manganese
Tin
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Solution
Column I
Column II
Electrolytic reduction Aluminium, sodium
Reduction with carbon Zinc, iron, tin
Reduction with aluminium Manganese
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Q.
Which one of the methods given in column- I is applied for the extraction of the metal given in column II:
Column -I
Column - II
(A) Electrolytic reduction
(i) Aluminium
(B) Reduction with carbon
(ii) Zinc
(C) Reduction with aluminium
(iii) Sodium
(iv) Iron
(v) Manganese
(vi) Chromium
Q.
Match the entries of column- I with appropriate entries of column- II
Column-I
(Metal to be extracted)
Column-II
(Method used for reduction of oxide)
(A) Iron or Zinc
(i) Reduction with aluminium
(B) Manganese or Chromium
(ii) Reduction with Carbon
(C) Mercury
(iii) Electrolytic reduction
(D) Aluminium
(iv) Reduction of heating alone
Q.
Match the column I with column II and mark the appropriate choice.
Column I
Column II
(A)
Highly electropositive metals
(i)
Carbon reduction
(B)
Copper
(ii)
CO reduction
(C)
Iron
(iii)
Self reduction
(D)
Zinc
(iv)
Electrolysis
Q.
Match the column I with column II and mark the appropriate choice.
Column I
Column II
(A)
Metals used as semiconductors
(i)
Aluminium
(B)
Electrolytic reduction
(ii)
Zone refining
(C)
Cyanide process
(iii)
Dressing of
Z
n
S
(D)
Froth floatation process
(iv)
Extraction of
A
g
Q.
Match the extraction process listed in column I with metals listed in column II.
Column I
Column II
A. Self reduction
P. Lead
B. Carbon reduction
Q. Silver
C. Complex formation and displacement by metal
R. Copper
D. Electrolytic reduction
S. Sodium
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Standard X Chemistry
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