Q.1
Boiling is ...
  • liquid to gas
  • gas to solid
  • gas to liquid
  • solid to liquid
Q.2
Change from Gas to Solid is called........
  • Sublimation
  • Deposition
  • Fusion
  • condensation
Q.3
Melting is ...
  • liquid to solid
  • solid to liquid
  • solid to gas
  • gas to liquid
Q.4
The ammonia synthesis reaction represented by N₂ + 3H₂ ⇋ 2NH₃ ; ΔH = - 22.4 kcal, is
  • Endothermic
  • Exothermic
  • Isothermal
  • Adiabatic
Q.5
If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero.
  • Enthalpy
  • Volume
  • Both A & B
  • Neither A nor B
Q.6
Henry's law is closely obeyed by a gas, when its __________ is extremely high.
  • Pressure
  • Solubility
  • Temperature
  • None of these
Q.7
Sublimation temperature of dry ice (solid CO₂) is __________ °C.
  • -273
  • 0
  • -78
  • 5
Q.8
The equation relating E, P, V and T which is true for all substanes under all conditions is given by (∂E/∂V)T = T.(∂P/∂T)H - P . This equation is called the
  • Maxwell
  • Thermodynamic equation of state
  • Equation of state
  • Redlich-Kwong equation of state
Q.9
Which of the following is a shortcoming for using parallel connected transformers?I. Reliable loadingII. Increased capacity of power systemIII. Reducing the capacity of substation
  • I, II, III
  • I, II
  • I, III
  • None of the mentioned
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