AP EAMCET · Chemistry · General Principles and Processes of Isolation of Metals
Which of the following are carbonate ores?
I. Magnetite
II. Kaolinite
III. Siderite
IV. Calamine
- A I, II, III
- B II, III, IV
- C I, II only
- D III, IV only
Answer & Solution
Correct Answer
(D) III, IV only
Step-by-step Solution
Detailed explanation
(I) Magnetite \(\longrightarrow \mathrm{Fe}_3 \mathrm{O}_4\) (II) Kaolinite \(\longrightarrow \mathrm{Al}_2 \mathrm{Si}_2 \mathrm{O}_5(\mathrm{OH})_4\) (III) Siderite \(\longrightarrow \mathrm{FeCO}_3\) (IV) Calamine \(\longrightarrow \mathrm{ZnCO}_3\) (III), (IV) both are…
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