MetallurgyHard
Question
Egg shell is made up of a chemical. In which of the following ores this chemical is present ?
Options
A.Dolomite
B.Calamine
C.Lime stone
D.Feldspar
Solution
Egg shell is made up of CaCO3.
Dolomite : CaCO3.MgCO3 ; Calamine : ZnCO3
Lime stone : CaCO3 ; Feldspar : K2O.Al2O3.6SiO2.
Dolomite : CaCO3.MgCO3 ; Calamine : ZnCO3
Lime stone : CaCO3 ; Feldspar : K2O.Al2O3.6SiO2.
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