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Kartik Sharma • 7.98K Points
Tutor III Chemistry 

Q. With reference to metals and their ores, which of the following pairs is INCORRECT?

  • (A) Aluminium (Al) - Cryolite
  • (B) Mercury (Hg) - Greenockite
  • (C) Cobalt (Co) - Smelite
  • (D) Gold (Au) - Calaverite
Correct Answer - Option(B)

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