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Byju's Answer
Standard X
Chemistry
Extraction of Copper
The compositi...
Question
The composition of malachite is:
A
C
u
F
e
S
2
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B
C
u
C
O
3
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C
C
u
C
O
3
.
C
u
(
O
H
)
2
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D
C
u
(
O
H
)
2
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Solution
The correct option is
D
C
u
C
O
3
.
C
u
(
O
H
)
2
The chemical formula of malachite is
C
u
2
C
O
3
(
O
H
)
2
. Hence the composition is
C
u
C
O
3
.
C
u
(
O
H
)
2
.
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0
Similar questions
Q.
C
u
C
O
3
⋅
C
u
(
O
H
)
2
is also known as Malachite (green). State True or False.
Q.
Match the following:
Column I
Column II
A. Sphalerits
p.
F
e
C
O
3
B. Malachite
q.
Z
n
C
O
3
C. Calamine
r.
N
a
3
A
l
F
8
D. Cryolite
s.
C
u
C
O
3
⋅
C
u
(
O
H
)
2
E. Siderite
t.
Z
n
S
Q.
"In moist air, copper corrodes to produce a green layer on the surface". For this, the reaction is :
C
u
+
H
2
O
+
C
O
2
+
O
2
→
C
u
C
O
3
⋅
C
u
(
O
H
)
2
.
If the statement is true enter 1 else enter 0.
Q.
C
u
(
O
H
)
2
+
H
C
l
→
X
+
Y
What is X and Y respectively?
Q.
C
u
(
O
H
)
2
+
H
C
l
→
X
+
Y
What are X and Y respectively?
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