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11th Standard English Medium Chemistry Subject Thermodynamics Book Back 1 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 5

    Part I

    5 x 1 = 5
  1. All the naturally occurring processes proceed spontaneously in a direction which leads to _______________

    (a)

    decrease in entropy

    (b)

    increase in enthalpy

    (c)

    increase in free energy

    (d)

    decrease in free energy

  2. In a reversible process, the change in entropy of the universe is ____.

    (a)

    > 0

    (b)

    > 0

    (c)

    < 0

    (d)

    = 0

  3. In an adiabatic expansion of an ideal gas ____________

    (a)

    w = -ΔU

    (b)

    w = ΔU + ΔH

    (c)

    ΔU = O

    (d)

    w = 0

  4. The intensive property among the quantities below is ____________

    (a)

    mass

    (b)

    volume

    (c)

    enthalpy

    (d)

    \(\frac { mass }{ volume } \)

  5. An ideal gas expands from the volume of 1 x 10-3 m3 to 1 x 10-2 m3 at 300 K against a constant pressure at 1 x 105 Nm-2. The work done is ______________

    (a)

    - 900 J

    (b)

    900 kJ

    (c)

    270 kJ

    (d)

    -900 kJ

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