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Question
With reference to extraction of metal, answer the following:
Which of the following is not a method for the concentration of ores?
Options
Froth floatation
Smelting
Magnetic separation
Gravity separation
MCQ
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Solution
Smelting
Explanation:
Smelting is not a method of concentration of ores; it is a reduction process used after concentration to extract the metal from its oxide. Froth floatation, magnetic separation, and gravity separation are methods used to concentrate ores by removing impurities (gangue).
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