Which of the following conditions represents an equilibrium

1.	Which of the following conditions represents an equilibrium
A.	Freezing of ice in a open vessel, temperature of ice is constant
B.	Few drops of water is present along with air in a balloon, temperature of balloon is constant
C.	Water is boiling in an open vessel over stove, temperature of water is constant
D.	All the statements A, B and C are correct for the equilibrium
Answer» C. Water is boiling in an open vessel over stove, temperature of water is constant

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