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MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level -I) Transition metal compounds and their Characteristics
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- Fe^(2+) and Fe^(3+) can be distinguished by :
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- When potassium dichromate crystals are heated with concentrated sulphu...
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- In Cr(2)O(7)^(2-) :
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- Cr(2)O(3) dissolves in aqueous NaOH in the presence of an oxidant to f...
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- Passivity of iron is due to the formation of a thin layer of :
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- Two fo the constituents of German silver are :
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- The compound which gives off oxygen on moderate heating is :
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- Nessler's reagent is :
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