A. Evaporation
B. Sublimation
C. Vaporisation
D. Melting
Related Mcqs:
- Which of the following exemplifies an adiabatic process ?
A. Melting of ice
B. Condensation of alcohol vapor
C. Sudden bursting of a cycle tube
D. Evaporation of water - Melting of ice exemplifies a/an______________________?
A. Adiabatic process
B. Endothermic reaction
C. Exothermic reaction
D. Process involving a chemical reaction - Atmospheric pressure corresponds to a hydrostatic head of_________________?
A. 13.6 cms of Hg
B. 34 ft ofH2O
C. 1 metre of H2O
D. 13.6 metres of Hg - The heat change for the reaction, C(s) + 2S(s) → CS2(l), is 104.2 kJ. It represents the heat of_________________?
A. Formation
B. Solution
C. Combustion
D. Fusion - Mass number of an atom is the sum of the numbers of_________________?
A. Neutrons and protons
B. Protons and electrons
C. Neutrons and electrons
D. Both A. & B. - The first law of thermodynamics is a restatement of the law of conservation of_________________?
A. Mass
B. Energy
C. Momentum
D. None of these - Isobaric process means a constant process ?
A. Temperature
B. Pressure
C. Volume
D. Entropy - A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively) ?
A. Δ S1 is always Δ SR
C. Δ S1 is always > Δ SR
D. Δ S1 is always = Δ SR - Throttling process is a/an _____________ process?
A. Reversible and isothermal
B. Irreversible and constant enthalpy
C. Reversible and constant entropy
D. Reversible and constant enthalpy - Throttling (Joule-Thomson effect) process is a constant _____________ process?
A. Enthalpy
B. Entropy
C. Pressure
D. None of these
