MCQ
For an ideal solution of two components $A$ and $B$, which of the following is true?
- A$ \Delta H_{mixing} < 0$ (zero)
- B$ \Delta H_{mixing} > 0$ (zero)
- C$A - B$ interaction is stronger than $A - A$ and $B - B$ interactions
- ✓$A- A, B - B$ and $A - B$ interactions are identical

