JEE Main 24 Feb 2021 Shift 2 Solved Paper

(A) Siderite →FeCO3
Siderite is a mineral composed of iron (II) carbonate (FeCO3).
(B) Calamine →ZnCO3
Calamine is used to treat mild itchiness and contain zinc in its formula.
(C) Kaolinite →Al2(OH)4⋅Si2O5
Kaolinite is a type of clay found in nature. It is a dioctahedral pyrosilicate clay containing Si2O5.
(D) Malachite →Cu(OH)2⋅CuCO3
Malachite is a copper carbonate hydroxide mineral, with the formula Cu2CO3(OH)2.