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Chemistry Test ...

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  • Question 1
    3 / -1

    Which of the pairs of gases diffuse at a slower rate than CO2?

  • Question 2
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    K.E of electron in a particular orbit is 3.4eV. Potential energy is –(minus) _______eV.

  • Question 3
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    The correct stability order of hydrides of IA Group elements

  • Question 4
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    Heat of combustion of benzene is 718 K.cals. When 39 gms of benzene undergoes combustion, the heat liberated is ______ K.cals.

  • Question 5
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    6.3 g. of Oxalic acid is in 50 ml solution, then its Molarity and Normality are

  • Question 6
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    At 27°C the Kp value for the reaction : PCl5 PCl3 + Cl2 is 0.65. Its Kc is ______.

  • Question 7
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    The number of moles of electrons required to deposit 36 g of Al from an aqueous solution of 

  • Question 8
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    The unit of rate constant obeying the rate expression r = K [A]1 [B]2/3 is

  • Question 9
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    The following graph is obtained for physisorption of a gas as a function of pressure at different temperatures. The correct order of temperatures is

  • Question 10
    3 / -1

    Which is incorrect statement?

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