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General Princip...

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  • Question 1
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    The electrolytes usually used in the electroplating of gold and silver, respectively are:

  • Question 2
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    All of the following statements are true about Ellingham diagram, except:

  • Question 3
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    The combined state of metals are called:

  • Question 4
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    The bodies of aircraft are often made using aluminium.
    Which two properties of aluminium make it suitable for this use?

  • Question 5
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    In simple distillation of liquids, it involves simultaneously.

  • Question 6
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    Match the refining methods (Column I) with metals (Column II).

    Column I
    (Refining methods)    		Column II
    (Metals)
    (I)Liquation(a)Zr
    (II)Zone Refining(b)Ni
    (III)Mond Process(c)Sn
    (IV)Van Arkel Method(d)Ga

  • Question 7
    1 / -0

    Match the following:


    (i)Biodegradable polymer(p)3-Hydroxybutanoic acid
    (ii)Bakelite(q)Phenol
    (iii)Neoprene(r)2-chlorobuta-1, 3-diene
    (iv)Glyptal(s)phthalic acid

  • Question 8
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    A copper coin was electroplated with Zn and then heated at high temperature until there is a change in colour. What will be the resulting colour ?

  • Question 9
    1 / -0

    Which of the following term is not related to Al extraction?

  • Question 10
    1 / -0

    Froth flotation process is used for the

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