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JEE Main20199 Apr 2019Evening ShiftChemistryGeneral Principles and Processes of Isolation of MetalsActual

The one that is not a carbonate are is:

Options

  1. Amalachite
  2. Bbauxite
  3. Ccalamine
  4. Dsiderite

Correct answer

B. bauxite

Step-by-step solution

Bauxite is an oxide ore of Al. Its formula is Al 2 O 3 . Formula of malachite is ( Cu 2 ( CO 3 ) ( OH ) 2 ) Formula of calamine is ZnCO 3 Formula of calamine is FeCO 3

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