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An ideal binary solution is prepared by two liquids $A$ and $B,$ with $\text{P}^\circ_\text{A}>\text{P}^\circ_\text{B}.$Then:

• A
  $A - B$ interactions are stronger than $A - A$ and $B - B.$
• B
  $A$ and $B$ have same molecular masses.
• ✓
  $A - B$ interactions are similar to $A - A$ and $B - B$ interactions.
• D
  Both $A$ and $B$ are non $-$ polar substances.