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MODERN PUBLICATION-CHEMISTRY OF D-AND F-BLOCK ELEMENTS-Multiple Choice Questions (Level -I) Transition metal compounds and their Characteristics
- Fe^(2+) and Fe^(3+) can be distinguished by :
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- The equivalent weight of MnSO(4) is half of its molecular weight when ...
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- When potassium dichromate crystals are heated with concentrated sulphu...
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- Acidified potassium dichromate is treated with hydrogen sulphide, IN t...
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- The oxidation states of Mn in K(2)MnO(4), KMnO(4) and Mn(2)O(7) are re...
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- In Cr(2)O(7)^(2-) :
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- In a redox reaction, how many moles of electrons are accepted by 1 mol...
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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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- The black oxide of copper (CuO) in attacked by moisture and carbon dio...
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- FeCl(3) has each of the following characteristics except :
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- Thomas slag is :
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- Blister copper is :
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- Iron is obtained on a large scale by reduction of Fe(2)O3 with :
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- Which of the following ions exist as dimer ?
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- Kl and CuSO(4) solutions when mixed give :
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- Ammonium dichromate is used in fireworks. The green coloured blown in ...
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