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NEETChemistryGeneral Principles and Processes of Isolation of Metals

Which compound forms the basis for many gemstones like rubies and sapphires?

Options

  1. AFe 2 O 3
  2. BAl 2 O 3
  3. CCO 2
  4. DSiO 2

Correct answer

B. Al 2 O 3

Step-by-step solution

Many gemstones are impure forms of aluminum oxide, denoted as Al 2 O 3 .

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