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  4. Which of the following are carbonate ores? l) Magnetite II) Kaolinite III) Siderite IV) Calamine

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Q. Which of the following are carbonate ores?
l) Magnetite
II) Kaolinite
III) Siderite
IV) Calamine

AP EAMCETAP EAMCET 2019

Solution:

(I) Magnetite $\longrightarrow Fe _{3} O _{4}$

(ii) Kaolinite $\longrightarrow Al _{2} Si _{2} O _{5}( OH )_{4}$

(III) Siderite $\longrightarrow FeCO _{3}$

(IV) Calamine $\longrightarrow ZnCO _{3}$

(III), (IV) both are carbonate ores.