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Metals of high reactivity : Electrolyti...

Metals of high reactivity : Electrolytic reduction , refining :: Metals of low reactivity : ____________

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Knowledge Check

  • About "Electrolytic refining"

    A
    The crude metal is refining by electrolysis
    B
    The rods of impure metal are used as cathode
    C
    Thin strips of pue metal are used as cathode.
    D
    Less electropositive impurities removed as anode mud.

  • The high reactivity of fluorine is due to _______

    A
    high ionisation energy
    B
    low bond dissociation energy
    C
    low electron affinity
    D
    high electronegativity

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    Electrolytic refining of copper is based on ……………. Reaction.

    Metals have high thermal conductivity. Give reason.

    The reactivity of metals increase down to reactivity series.

    The arrangment of metals in the increasing or decreasing order to reactivity is called the _____________

    What is meant by electrolytic refining? Give example.

    Metals have high density. Give reason.

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