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KEAM 2020 Physics and Chemistry Solved Paper
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© examsnet.com
Question : 93
Total: 120
Which one is not correctly matched?
Ore
Composition
Siderite
-
FeCO
3
Ore
Composition
Calamine
-
ZnCO
3
Ore
Composition
Sphalerite
-
ZnS
Ore
Composition
Kaolinite
-
[
Al
2
(
OH
)
4
Si
2
O
5
]
Ore
Composition
Cuprite
-
CuCO
3
.
Cu
(
OH
)
2
Validate
Solution:
Cuprite -
C
u
2
O
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