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MHT CET2007Chemistryp Block Elements (Group 13 & 14)

Which of the following does not contain silicon?

Options

  1. AKaoline
  2. BAgate
  3. CRuby
  4. DQuartz

Correct answer

C. Ruby

Step-by-step solution

Ruby is mineral of aluminium ie, Al ₂ O ₃ . It does not contain silicon.

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