Q55 / 180 · KCET 2007 · Chemistry

Identify the ore not cotaining iron.

  • A
    limonite
  • B
    siderite
  • Correct answer
    C
    carnallite
  • D
    chalcopyrites

Solution

Limonite $-\mathrm{Fe}_{2} \mathrm{O}_{3} \cdot 3 \mathrm{H}_{2} \mathrm{O}$ Siderite - $\mathrm{FeCO}_{3}$ Carnallite - $\mathrm{KCl} \cdot \mathrm{MgCl}_{2} \cdot 6 \mathrm{H}_{2} \mathrm{O}$ Chalcopyrites - $\mathrm{CuFeS}_{2}$

Hence, the correct answer is option: 'C'.

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