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Byju's Answer
Standard XII
Chemistry
Native State
Calamine and ...
Question
Calamine and Malachite respectively , are the ores of :
A
Aluminium and Zinc
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B
Zinc and Copper
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C
Copper and Iron
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D
Nickel and Aluminium
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Solution
The correct option is
B
Zinc and Copper
Calamine is
Z
n
C
O
3
, ore of Zinc
Malachite is
C
u
C
O
3
⋅
C
u
(
O
H
)
2
, ore of copper
Option (c) is correct
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Similar questions
Q.
what are malachite, siderite, calamine ores ?
Q.
Calamine, malachite, magnetite and cryolite, respectively are:
Q.
How many of the following ores belong to either aluminium or copper?
Bauxite, Siderite, Diaspore, Cuprite, Malachite, Carborundum, Kaolinite, Azurite,
Calamine, Cerussite, Cassiterite, Dolomite
Q.
Match the anionic species given in Column-I that are present in the ore(s) given in Column II.
Column I
Column II
(A)
Carbonate
(P)
Siderite
(B)
Sulphide
(Q)
Malachite
(C)
Hydroxide
(R)
Bauxite
(D)
Oxide
(S)
Calamine
(T)
Argentite
Q.
Which of the ores mentioned in Table 6.1 can be concentrated by magnetic separation method?
Metal
Ore
Composition
Aluminium
Bauxite
A
l
O
x
(
O
H
)
(
3
−
2
x
)
Iron
Kaonilite(a form of clay),Haematite,Magnetite,Siderite,Iron pyrities
A
l
2
(
O
H
)
4
S
i
2
O
5
,
F
e
2
O
3
,
F
e
2
O
4
,
F
e
C
O
3
,
F
e
S
2
copper
Copper pyrites, Malachite, Cuprite,Copper glance
C
u
F
e
S
2
,
C
u
C
O
3
C
u
(
O
H
)
2
,
C
u
2
O
,
C
u
2
S
Zinc
Zinc blende or Sphalerite, Calamine, Zincite
Z
n
S
,
Z
n
C
O
3
,
Z
n
O
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