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Chemistry Test ...

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  • Question 1
    4 / -1

    In which of the following equivalent weight of oxygen is not equal to 8?

  • Question 2
    4 / -1

    0.2 g of a sample of H2O2 required 10 ml of 1N KMnO4 in a titration in the presence of H2SO4. Purity of H2O2 is

  • Question 3
    4 / -1

    The correct set of four quantum numbers for the valence electrons of rubidium atom (Z = 37) is

  • Question 4
    4 / -1

    For complete combustion of ethanol,

    C2H5OH(l) + 3O2(g) ⟶ 2CO2(g) + 3H2O(l),

    the amount of heat produced as measured in bomb calorimeter, is 1364.47 kJ mol–1 at 25°C. Assuming ideality the enthalpy of combustion, ΔCH, for the reaction will be (R = 8.314 kJ mol–1)

  • Question 5
    4 / -1

    Which of the following alkyl halides can be hydrolysed easily by an SN2 reaction?

  • Question 6
    4 / -1

    When 1 mole of a gas is heated at constant volume, temperature is raised from 298 K to 398 K heat supplied to the gas is 500 J. Then, which statement is correct?

  • Question 7
    4 / -1

    According to Mendeleev, the properties of the elements are a periodic function of their

  • Question 8
    4 / -1

    Which of the following is a redox reaction?

  • Question 9
    4 / -1

    K1 and K2 for carbonic acid (H2CO3) are 4.3 × 10–7 and 5.6 × 10–11 respectively. The pH of 0.01 M NaHCO3 solution will be

  • Question 10
    4 / -1

    The compound which does not get hydrolysed is:

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