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Chemistry Test ...

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  • Question 1
    4 / -1

    For preparing a buffer solution of pH6 by mixing sodium acetate and acetic acid, the ratio of the concentrations of salt and acid should be (Ka = 10-5)

  • Question 2
    4 / -1

    The final product in the following reaction will be a _______.

  • Question 3
    4 / -1

    Which of the following options is incorrect about physical adsorption?

  • Question 4
    4 / -1

    Which one is known as a fusion mixture?

  • Question 5
    4 / -1

    A gas is compressed isothermally to half its initial volume. The same gas is compressed separately through an adiabatic process until its volume is again reduced to half. Then,

  • Question 6
    4 / -1

    Calcium cyanamide reacts with steam to form ammonia and

  • Question 7
    4 / -1

    Which of the following is a pair of π acceptor ligands?

  • Question 8
    4 / -1

    A hypothetical reaction A → 2B proceeds through the following sequence of steps:

    The heat of reaction is

  • Question 9
    4 / -1

    The rate constant, the activation energy and the Arrhenius parameter of a chemical reaction at 25oC are 3.0×10−4 s-1, 104.4kJmol−1 and 6.0×1014s−1 respectively. The value of the rate constant as T→∞ is:

  • Question 10
    4 / -1

    Which of the following compounds is not a food additive?

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