Q50 / 150 · MHT CET 2007 · Chemistry

Which of the following does not contain silicon?

  • A
    Kaoline
  • B
    Agate
  • Correct answer
    C
    Ruby
  • D
    Quartz

Solution

Ruby is mineral of aluminium ie, $\mathrm{Al}_{2} \mathrm{O}_{3}$. It does not contain silicon.

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

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