17. Petroleum (crude oil) is a mixture of several compounds which are separated in a Changamwe refinery by means of apparatus as shown below: Crude oil A BCDEF G (a) (i) What is the name of the apparatus above (ii) What is the name of the process which is used in separation of crude oil (iii) What physical property of compounds in the mixture does the separation depend (iv) Use the letter A to G to describe where the following could be formed:. I. The fraction that represents gases II. The fraction that represents the largest molecules III. The fraction that represents liquids with the lowest boiling points (b) State the use of product produce at G....... C........ (c) Draw apparatus for the separation of the product produce at D and water