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- In which cell, electrical energy is converted into chemical energy:
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- E^@ for Fe^(2+) +2e rarrFe is -0.44 volt and E^@ for Zn^(2+) +2e rarrZ...
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- In a galvanic cell, which is wrong :
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- Using same quantity of current , which among Na, Mg and AI is deposite...
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- A metal having negative reduciton potential when dipped in the solutio...
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- In electrochemical corrosion of metals, the metal undergoing corrosion...
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- The metal which cannot liberate H2 from hydrochloric acid is :
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- KCl (aq) cannot be used as a salt bridge for the cell Cu(s)|CuSO4(aq)|...
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- The calomel electrode is reversible with respect to:
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- Standard reduction potential of an element is equal to:
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- Beryllium is placed above magnesium in the II group. Beryllium dust, t...
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- For the cell Zn|Zn^(2+)||Cu^(2+)|Cu if the concentration of Zn^(2+) an...
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- Copper can be deposited from acidified copper sulphate and alkaline cu...
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- A cell necessarily does not contain:
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- Lithium is generally used as an electrode in high energy density batte...
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- Cu (II) sulphate solution is treated separately with KCl and KI In whi...
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- Which process occurs in the electrolysis of aqueous solution of nickel...
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- In aqueous solution, weak electrolytes dissociates:
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- Which reaction does not takes place at cathode ?
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- The electroplating with chromium is undertaken because :
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