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Question 50

Match the ores (column A) with the metals (column B):

  • (I) Siderite ($$\text{FeCO}_3$$): An iron carbonate mineral that serves as a valuable ore of Iron.
    $$\implies \text{(I)} \rightarrow \text{(c)}$$
  • (II) Kaolinite ($$\text{Al}_2\text{Si}_2\text{O}_5(\text{OH})_4$$): A silicate clay mineral that serves as an important source of Aluminium.
    $$\implies \text{(II)} \rightarrow \text{(d)}$$
  • (III) Malachite ($$\text{Cu}_2\text{CO}_3(\text{OH})_2$$): A distinct green copper carbonate hydroxide mineral mined as an ore of Copper.
    $$\implies \text{(III)} \rightarrow \text{(b)}$$
  • (IV) Calamine ($$\text{ZnCO}_3$$): A zinc carbonate mineral used primarily as an ore of Zinc.
    $$\implies \text{(IV)} \rightarrow \text{(a)}$$

Conclusion:

Mapping each mineral ore to its specific elemental metal gives the correct matching sequence.

Answer: Option B — (I)-(c); (II)-(d); (III)-(b); (IV)-(a)

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