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Some Basic Conc...

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  • Question 1
    4 / -1

    n g of a substance X reacts with m g of substance Y to form p g of substance R and q g of substance S.
    This reaction can be represented as follow : X +Y = R + S
    The relation which can be established in the amounts of the reactants and the products will be

  • Question 2
    4 / -1

    100 ml of 0.1 N hypo decolourised iodine by the addition of x g of crystalline copper sulphate to excess of KI. The value of ‘x’ is :
    (molecular wt. of CuSO4. 5H2O is 250).

  • Question 3
    4 / -1

    A gaseous mixture contains CH4 and C2H6 in equimolecular proportion. The weight of 2.24 litres of this mixture at NTP is :

  • Question 4
    4 / -1

    In an organic compound of molar mass 108 g/ mol , C,H and N atoms are present in 9 : 1 : 3.5 by weight Molecular formula can be

  • Question 5
    4 / -1

    In the standardization of Na2S2O3 using K2Cr2O7 by iodometry, the equivalent weight of K2Cr2O7 is

  • Question 6
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  • Question 7
    4 / -1

    How many moles of electron weight one kilogram ?

  • Question 8
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    Chose the incorrect statement .

  • Question 9
    4 / -1

    Identify the incorrect unit conversion factor.

  • Question 10
    4 / -1

    90 g KClO3 on heating gives 2.96 g KCl and 1.92 g oxygen. Which of the following laws is illustrated by this statement ?

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