Page Number- 5

(1) Equilibrium Constant depends on ?

  • A. Pressure
  • B. Temperature
  • C. Density
  • D. Volume
0
(b) Temperature

(2) Intensive property among the following is??

  • A. Molar heat capacity
  • B. Entropy
  • C. Internal energy
  • D. Enthalpy
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(a) Molar heat capacity

(3) The enthalpy change that occurs when one mole of an ionic compound dissociates into its ions in the gaseous state is known as??

  • A. Enthalpy of atomisation
  • B. Enthalpy of solution
  • C. Lattice enthalpy
  • D. Bond enthalpy
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(c) Lattice enthalpy

(4) A process occurring at constant volume is known as ??

  • A. Isobaric
  • B. Isochoric
  • C. Adiabatic
  • D. Isothermal
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(b) Isochoric

(5) What is the heat required to raise the temperature of one gram of a substance by one degree Celsius??

  • A. Specific heat
  • B. Cv
  • C. Cp
  • D. Heat capacity
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(a) Specific heat

(6) In the Isothermal free expansion of an ideal gas??

  • A. ΔH=0
  • B. ΔV=0
  • C. ΔW=0
  • D. All of these
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(a) ΔH=0

(7) A bomb colourimeter is used to measure??

  • A. ΔU
  • B. W
  • C. ΔG
  • D. ΔS
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(a) ΔU

(8) If two moles of an ideal gas expand spontaneously into a vacuum, then the work done will be??

  • A. Zero
  • B. 2J
  • C. 6J
  • D. Infinite
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(a) Zero

(9) All naturally occurring processes proceed in a direction that leads??

  • A. Increase in enthalpy
  • B. Decrease in entropy
  • C. Decrease in free energy
  • D. Increase in temperature
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(c) Decrease in free energy

(10) What will happen to entropy when a liquid crystallises into a solid??

  • A. Increase
  • B. Decrease
  • C. First increase then decrease
  • D. Will become zero
0
(b) Decrease
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