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NEETChemistryGeneral Principles and Processes of Isolation of Metals

What are the components of gemstones like ruby and sapphire?

Options

  1. ACr and Fe
  2. BCo and Al
  3. CCr and Co
  4. DFe and Al

Correct answer

C. Cr and Co

Step-by-step solution

Gems like 'ruby' have chromium (Cr) as an impurity, while 'sapphire' contains cobalt (Co) as an impurity.

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