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5465. Concentration of sulphide ores is done usually by

September 7, 2025 by Admin

Roasting

Smelting

Froth floatation

Electro magnetic separation

✅ The correct answer is option C.

Categories Chemical Engineering, Chemical Process MCQs, Engineering Tags Chemical Engineering MCQs, Chemical Process MCQs, Engineering MCQs

5461. Teflon is

5468. Cation exchanger is regenerated usually with

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