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Chemistry Test ...

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  • Question 1
    4 / -1

    Match the column

    Column-I
    (Reduction process)    		 Column-II
    (Charge required)
    (a) 1 mole of MnO4– to Mn2+ (p) 193000 C
    (b) 1 mole of Cr2O72–  to Cr3+ (q) 289500 C
    (c) 1 mole of Sn4+ to Sn2+ (r) 482500 C
    (d) 1 mole of Al3+ to Al (s) 579000 C

  • Question 2
    4 / -1

    Which of the following correct composition of dolomite and calamine respectively :

  • Question 3
    4 / -1

    Sometime it is possible to seprate two sulphide ore by adjusting proportion of oil to water by using:

  • Question 4
    4 / -1

    Aluminothermite process Al used because :

  • Question 5
    4 / -1

    Identify element reduced by self reduction :-

  • Question 6
    4 / -1

    Match the following :-

    (A) Distillation                       (i) Ni

    (B) Zone refining                  (ii) Zr            

    (C) Mond process                (iii) Hg

  • Question 7
    4 / -1

     

    In pig Iron and cast iron carbon contant respectively :-

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