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Question 900001
JEE Chemistry · Easy

Metallurgy and Qualitative Analysis: Ore and mineral MCQ

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Ore and mineralEasyQuestion 900001

Question

The mineral from which a metal is extracted profitably is called:
  1. A
    Ore
    Correct
  2. B
    Mineral
  3. C
    Slag
  4. D
    Flux

Correct answer

Ore

Explanation

Ore: a mineral from which a metal can be extracted economically. Not all minerals are ores. Gangue: unwanted earthy impurities mixed with the ore. Flux: substance added to combine with gangue to form fusible slag (CaO for siliceous gangue: SiO₂ + CaO → CaSiO₃).

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