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Chemistry Test 45
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Chemistry Test 45
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  • Question 1/5
    4 / -1

     

    Consider the following statements :-

    (A) Unit of molar entropy of a substance in SI system is J/K

    (B) Molar entropy of vapourisation of water is negative

    (C) In free expansion, work done is zero

    (D) At absolute zero temperature, entropy of all substance is zero

    Then correct order of true/false of the above statements is

  • Question 2/5
    4 / -1

    Which of the following expressions is true in case of a sodium chloride unit cell ?

  • Question 3/5
    4 / -1

    The Brownian motion of colloidal particles is due to :-

  • Question 4/5
    4 / -1

    For which reduction, ore should be partially roasted is :-

  • Question 5/5
    4 / -1

    The bond dissociation energies of CH4 and C2H6 respectively are 360 and 620 kcal mol–1. The C–C bond energy would be :-

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