Name: Refining of Petroleum
Uploaded: 2019-07-19
Duration: 1 min 55 s
Description: Petrol is an essential product, which doesn't derive directly from nature, and it requires a certain type of process called the fractional distillation proce...

Question

Complete the crossword Fig. 5.2 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)

Accepted Answer

Across-

1- Fossil fuels - Fuels obtained from dead remains of living organisms. Examples: coal, natural gas, petroleum etc.

2- Refining - A process by which the various constituents of petroleum are separated which is done at the refineries. The useful substances that are obtained from petroleum are called as petrochemicals.

3- Coke - A porous black substance obtained from coal which is almost a pure form of carbon.

4- Petrol - Another name for motor fuel which is black. It is obtained by refining of petroleum.

Down

5- Coal - The substance obtained by carbonisation. When coal is heated in air, it burns and produce carbon dioxide gas.

6- Diesel - Fuel for heavy motor vehicles. It is obtained from petroleum.

7- Bitumen - A petroleum product used for road surfacing in place of coal tar. It is also used in making paints.

8- Petroleum - Dead remains of sea animals got converted into it. The word petroleum is derived from petra (rock) and oleum (oil) as it is mined from between the rocks under earth.

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