Which of the following statements are TRUE with respect to heat and work?

1. They are boundary phenomena
2. They are exact differentials
3. They are path functions
1. both $(i)$ and $(ii)$
2. both $(i)$ and $(iii)$
3. both $(ii)$ and $(iii)$
4. only $(iii)$

Ans: B

Explanation:

Heat and Work both are:

• Boundary Phenomenon.
• Inexact Differential.
• Depends upon the path/process, hence are called path functions.

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