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Standard XII
Chemistry
Overview of General Metallurgical Processes
List-I MetalL...
Question
List-I (Metal)
List- II (Ores)
(a) Aluminum
(i) siderite
(b) Iron
(ii) siderite
(c) Copper
(iii) Kaolinite
(d) Zinc
(iv) Malachite
A
(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)
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B
(a) - (i), (b) - (ii), (c) - (iii), (d) - (iv)
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C
(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)
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D
(a) - (ii), (b) -(iv), (c) - (i), (d) - (iii)
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Solution
The correct option is
C
(a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)
Answer : (c)
siderite
F
e
C
O
3
Calamine
Z
n
C
O
3
Kaolinite
S
i
2
A
l
2
O
5
(
O
H
)
4
o
r
A
l
2
O
3
.2
S
i
O
2
.
2
H
2
O
Malachite
C
u
C
O
3
.
C
u
(
O
H
)
2
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Q.
In extraction of metal how many of the following ores involves calcination process.
(i) Dolomite (ii) Malachite (iii) Calcite (iv) Copperpyrites (vi) Cryolite (vii) Siderite (viii) Iron pyrite (ix) Argentite.
Q.
How many of the following ores belong to either aluminium or copper?
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Q.
Column-I
Column-II
(A) Carbonate
(P) Siderite
(B) Sulphide
(Q) Malachite
(C) Hydroxide
(R) Bauxite
(D) Oxide
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Q.
Match List-I with List-II.
List-I
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List-II
(Element present)
(a) Kernite
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Q.
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