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AP EAMCET2009ChemistryGeneral Principles and Processes of Isolation of Metals

Match the following. The correct answer is (A) (B) (C) (D)

Options

  1. AIV V II I
  2. BIV V I II
  3. CIV I III II
  4. DII V IV I

Correct answer

B. IV V I II

Step-by-step solution

(A) Feldspar (orthoclase) ( KAlSi ₃ O ₈ ) It is used in the manufacture of porcelain. (B) Asbestos CaMg ₃ ( SiO ₃ )₄ It is used for fireproof sheets, cloths etc. (C) Pyrargyrite (Ruby silver) ( Ag ₃ SbS ₃ ) It is an ore of silver. (D) Diaspore ( Al ₂ O ₃ H ₂ O ) It is an ore of aluminium.

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