ABOUT BANK EXAMS

DONT TOUCH PEN, ONLY MIND CALCULTIONS WITHIN 40 SECS.

SHANMUGAM IAS ACADEMY

SHANMUGAM IAS ACADEMY
REGULAR TEST GOOD RESULT

Saturday, February 23, 2013

Principal Ores of Some Important Metals


Aluminium - Bauxite,  Kaolinite (a form of clay)

Iron  -   Haematite,  Magnetite,  Siderite,  Iron pyrites

Copper - Copper pyrites,  Malachite,  Cuprite,  Copper glanc

Zinc - Zinc blende or Sphalerite ZnS, Calamine,  Zincite ZnO

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