Question

Complete the crossword in figure with the help of the clues:

Across

1. Fuels obtained from dead remains of living organisms. (6, 5)

2. A process by which the various constituents of petroleum are separated. (8)

3. A porous black substance obtained from coal. (4)

4. Another name for motor fuel. (6)

Down

5. The substance obtained by carbonisation. (4)

6. Fuel for heavy motor vehicles. (6)

7. A petroleum product used for road surfacing. (7)

8. Dead remains of sea animals got converted into it. (9)

Answer 1

Across

1. Fossil fuels

2. Refining

3. Coke

4. Petrol

Down

5. Coal 

6. Diesel

7. Bitumen

8. Petroleum