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Byju's Answer
Standard X
Chemistry
Extraction of Copper
The chemical ...
Question
The chemical formula of cuprite is :
A
C
u
2
S
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B
C
u
F
e
S
2
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C
C
u
C
O
3
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D
C
u
2
O
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Solution
The correct option is
C
C
u
2
O
Cuprite is an oxide ore of copper -
C
u
2
O
C
u
2
S
is copper glance.
C
u
F
e
S
2
is chalcopyrite.
C
u
C
O
3
is malachite.
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Similar questions
Q.
A sample of impure cuprite,
C
u
2
O
, contains 66.6% copper. What is the percentage of pure
C
u
2
O
in the sample:
Q.
A sample of impure cuprite,
C
u
2
O
, contains 66.6% copper. What is the percentage of pure
C
u
2
O
in the sample?
Q.
An impure sample of cuprite
(
C
u
2
O
)
contains
66.6
%
Copper by mass. Find the ratio of
%
of pure
C
u
2
O
to
%
of impurity by mass in the sample. Take
=
66.6
×
143
254
=
37.5
.
Q.
Heating mixture of
C
u
2
O
and
C
u
2
S
will give:
Q.
Heating a mixture of
C
u
2
O
and
C
u
2
S
will give.
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