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MBD PUBLICATION-TRANSITION METALS (d-BLOCK ELEMENTS)-QUESTION BANK
- Which method is used to remove silver impurities from lead?
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- Which is used in photography ?
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- Gold dissolves in aqua-regia forming :
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- An extremely hot copper wire reacts with steam to give :
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- Silver halides are used in photography because they are :
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- Which metal is not present in German silver ?
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- Which statement is incorrect ?
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- After partial roasting, the sulphide of copper is reduced by:
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- Powdered silver ore is treated with NaCN solution and air is bubbled ...
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- When excess of sodium thiosulphate is added to dil AgNO3 solution a so...
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- CuSO4 solution reacts with KCN to form a complex :
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- Silver bromide reacts with hypo solution to give :
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- Brass is :
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- Which is not correct regarding copper sulphate ?
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- Molten Ag absorbs about …..times of its volume of O2:
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- Which ore is called malachite ?
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- Copper metal of high purity is obtained by :
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- Which is a coinage metal :
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- Silver obtained from argentiferous lead is purified by :
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- Anhydrous CuCl2 and CuBr2 exist as :
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