A. Ag B. Fe C. Cl D. O2
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A. Cannot be produced from it B. Can be produced from it C. Can be extracted from it profitable D. Is very costly
A. Silica B. Sodium chloride C. Limestone D. Sodium carbonate
A. Iron B. Aluminium C.calcium D. Sodium
A. Froth floatation B. Roasting C. Electrolysis D. Bessemerisation
A. Cathode B. Anode C. Both D. None
A. Flux B. Slag C. A reducing agent D. An oxidising agent
A. Atomophil B. Lithophil C. Calcophil D. Sidrophil