Chapter 14: Organic Chemistry

Question 1

What is the source of energy

Answer 1

Petroleum (crude oil) and natural gas are sources of energy

Natural gas: Mostly methane and other short chain alkanes

Question 2

Name all the fractions in the fractioning column in descending order (boiling point)

Answer 2

1. Petroleum gas
2. Petrol
3. Naptha
4. Kerosene
5. Diesel oil
6. Lubricating oil
7. Bitumen

Question 3

State the uses of
1. Petroleum gas
2. Petrol
3. Naptha
4. Kerosene
5. Diesel oil
6. Lubricating oil
7. Bitumen

Answer 3

1. Cooking and heating
2. Fuel for motorcars
3. Feedstock for the petrochemical industry
4. Fuel for aircrafts, cooking and heating
5. Fuel for diesel engines : buses, trains, lorries
6. Lubricants for machines, sources of wax and polishes
7. Making road surfaces

Question 4

What is the separation process used for petroleum

Answer 4

Fractional distillation