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Chemistry Test ...

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  • Question 1
    4 / -1

    The combustion enthalpy of carbon, hydrogen and methane are –393.5; –284.8 and –890.4 kJ/mole respectively at 25°C. The value of standard formation enthalpies of methane at that temperature is :-

  • Question 2
    4 / -1

    The extent of adsorption of a gas on a solid depends on :- 

  • Question 3
    4 / -1

    Solution of methylene blue dye becomes colourless if mixed with:-

  • Question 4
    4 / -1

    Which of the following statement is not applicable to chemisorption?

  • Question 5
    4 / -1

    Medicines are more effective, if they are used in :

  • Question 6
    4 / -1

    Fog is a colloidal solution of :-

  • Question 7
    4 / -1

    The stability of lyophilic colloids is due to :

  • Question 8
    4 / -1

    Given below are a few electrolytes, indicate which one among them will bring about the coagulation of a gold sol quickest and in the least of concentration ?

  • Question 9
    4 / -1

    Colloidal solution of starch is an example of :-

  • Question 10
    4 / -1

    Which of the following is less than zero during Adsorption ?

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