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Chemistry Test ...

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  • Question 1
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    In which of the following cases is rate of reaction not affected by pressure?

  • Question 2
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    The favourable conditions for Haber's process are:

  • Question 3
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    If equivalent conductance of 1 M benzoic acid is 12.8 ohm-1 cm2, and the values of conductance of benzoate ion and H+ ion respectively are 42 and 288.42 ohm-1 cm2, then its degree of dissociation is:

  • Question 4
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    2A+B3C+D

    Which of the following does not express the reaction rate for the above reaction?

  • Question 5
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    Directions: The following question has four choices out of which ONLY ONE is correct.

    Which of the following biomolecules is insoluble in water?

  • Question 6
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    Which of the following statements is correct about the compounds I, II and III?

  • Question 7
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    The vapour pressure of two volatile liquid mixtures is pt = 5.3 + 2xB (in mm of Hg), where XB is mole fraction of B in mixture. What is the ratio of mole fractions of A and B in liquid phase?

    (PA and PBare vapour pressures of A and B)

  • Question 8
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    The decomposition of a certain mass of CaCO3 gave 11.2 dm3 of CO2 gas at STP. The mass of KOH required to completely neutralize the gas is

  • Question 9
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    If at any temperature, Kp is the equilibrium constant for the reaction N2 (g) + 3H2 (g) ⇌ 2 NH3 (g), then what will be the effect of increasing the pressure from 5 atm to 50 atm?

  • Question 10
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    The vapour pressure of a pure liquid ‘A’ is 70 torr. at 27°C. It forms an ideal solution with another liquid B.The mole fraction of B is 0.2 and total pressure of the solution is 84 torr at 27°C.The vapour pressure of pure liquid B at 27°C is

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