5.9 - I can describe the trend in boiling point and viscosity of the main fractions.

a. What is the trend in boiling point of the fractions?


b. Define Viscosity (source your definition)


c. What is the trend in viscosity of the fractions?


d. What is the trend in colour of the fractions?


e. Why is crude oil sparated into fractions?


f. What process is used to separate crude oil into fractions?


g. What physical property allows this process to work?