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MBD PUBLICATION-TRANSITION METALS (d-BLOCK ELEMENTS)-QUESTION BANK
- The sand stone in some iron ores is removed by:
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- Most of the known elements are :
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- Mn belongs to :
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- Orford process is used in extraction of :
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- The percentage of carbon is same in :
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- The highest magnetic moment for transition metals exist for :
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- The carbo content of :
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- Near the top of a blast furnace employed for the extrction of iron the...
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- Zinc , cadmium and mercury are :
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- Essential constituent of an amalgam is :
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- The chloride that turns black on addition of NH4OH is :
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- Clomel may be freed from traces of metallic mercury by washing with :
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- Spelter is:
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- Amalgams are:
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- Chemical name of corrosive sublimate is :
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- A lady's 18 carat gold wedding ring has become discoloured with some m...
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- Mercury on heating with aqua - regia yields :
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- The meniscus of mercury in a glass tube is :
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- Which statement about corrosive sublimate is incorrect ?
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- Nessler's reagent is :
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