Q60 / 180 · COMEDK 2020 · Chemistry

Identify the ore not containing iron

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

Solution

The ore not containing iron is carnallite. It's formula is $\mathrm{KCl} \cdot \mathrm{MgCl}_{2}-6 \mathrm{H}_{2} \mathrm{O}$.

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

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