What is meant by positive from Raoul's Law ? Give an example an example. What is the sing of `DeltaH_(mix)` for positive deviation ?

What is meant by positive deviation from Raoul's Law ? Give an example. What is the sign of DeltaH_(mix) for positive deviation ?

What is meant by positive deviation from Raoult's law? Given an example.

What is meant by step growth polymerisation? Give an example.

What is meant by positive deviations from Raoult's law and how is the sign of Delta_("mix")H related to positive deviation from Raoult's law ?

What is meant by chirality of a compound ? Give an example.

What is meant by positive and negative deviations from Raoult's law and bow is the sign of DeltaH_(mix) related to positive and negative deviations from Raoult's law ?

What is meant by positive and negative deviations from Raoult's law and how is the sign of Delta H _(mix) related to positive and negative deviations from Raoult's law?