Assertion (A): Water boiling in an open vessel at a fixed temperature is an exam

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Assertion (A): Water boiling in an open vessel at a fixed temperature is an example of physical equilibrium.
Reason (R): Temperature does not change during the process of boiling. Which of the following is correct?

Options:

A . Both A & R are correct and R is correct explanation of A.

B . Both A & R are correct but R is not a correct explanation of A.

C . A is true but R is false

D . A is false but R is true.

Answer: Option D
:
D
Equilibrium is possible only in a closed vessel. Hence A is false.
Boiling occurs at a constant temperature at a given pressure. Hence R is true.

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