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BITSAT2009ChemistryGeneral Principles and Processes of Isolation of MetalsActual

Among the following statements the incorrect one is:

Options

  1. ACalamine and siderite are carbonates.
  2. BArgentite and cuprite are oxides.
  3. CZinc blende and iron pyrites are sulphides.
  4. DMalachite and azurite are ores of copper.

Correct answer

B. Argentite and cuprite are oxides.

Step-by-step solution

Cuprite is Cu ₂ O and Argentite is Ag ₂ ~S .

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