A. Mercuric oxide B. Mercurous oxide C. Mercuric hydroxide D. Mercurous chloride
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A. He B. O C. Ne D. N2
A. 3 B. 4 C. 6 D. 8
A. Blast furnace B. Arc furnace C. Reverberatory furnace D. None of these
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A. Electroplating B. Electrorefining C. Both A and B D. None of these
A. Carbon reduction B. Carbon monoxide reduction C. Aluminothermic process D. Electrolytic reduction
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A. Fusible B. Not easily reduced by the carbon C. Not easily reduced by the hydrogen D. Strongly basic
A. High electronegative B. High reactivity C. Low reactivity D. Low density
A. Electrolysis B. Metal displacement C. Smelting D. Roasting
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A. Always same as that of molten metal B. Always higher than molten metal C. Always less than molten metal D. None of these