KEAM 2020 Physics and Chemistry Solved Paper

Question : 93 of 120

Marks: +1, -0

Which one is not correctly matched?

Ore		Composition
Siderite	-	FeCO3

Ore		Composition
Calamine	-	ZnCO3

Ore		Composition
Sphalerite	-	ZnS

Ore		Composition
Kaolinite	-	[Al2(OH)4Si2O5]

Ore		Composition
Cuprite	-	CuCO3.Cu(OH)2

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