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The ores of metals in the middle of activity series generally present in the form of…………….. i) Oxides ii) Chlorides iii) Sulphates iv) SulphidesA) (i) and (ii) B) (i) and (iii) C) (ii) and (iii) D) (i) and (iv) |
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Answer» D) (i) and (iv) |
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