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Crude Oil

Complete the ...

Question

Complete the cross-word fig 5.2 with the help of the clues.
Across
1. Fuels obtained form 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 form coal. (4)
4. Another name for motor fuel. (6)
Down

5. The substance obtained by carbonization. (4)

Down

6. Fuel for heavy motor vehicles. (6)
Down

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

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

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Solution

Across

1. Fuels obtained from dead remains of living organisms is Fossil fuels

Across

2. A process by which the various constituents of petroleum are separated is called refining

Across

3. A porous black substance obtained from coal is coke.
Across

4. Another name for motor fuel is petrol
Down

5. The substance obtained by carbonization is coal

Down

6. Fuel for heavy motor vehicles is diesel
Down

7. A petroleum product used for road surfacing is bitumen

Down

8. Dead remains of sea animals got converted into it is petroleum

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Fill in the blanks.

(a) The slow process of conversion of dead vegetation into coal is called__________.

(2)
Fill in the blanks.

(b) Coal and petroleum are formed from the dead remains of organisms and are known as __________.

(3)
Fill in the blanks.

(c) The black thick liquid with __________ smell is known as coal tar.

(4)
Fill in the blanks.

(d) During the processing of coal to get coke, coal tar and __________ are also obtained.

(5)
Fill in the blanks.

(e) The process of separating the various constituents of petroleum is known as __________.

(6)
Fill in the blanks.

(f) Excessive burning of fossil fuels is a major cause of __________.

Q. Question 18
(a) The slow process of conversion of dead vegetation into coal is called___.
(b) Coal and petroleum are formed from the dead remains of organisms and are known as ___.
(c) The black thick liquid with ___ smell is known as coal tar
(d) During the processing of coal to get coke, coal tar and ___ are also obtained.
(e) The process of separating the various constituents of petroleum is known as ___.
(f) Excessive burning of fossil fuels is a major cause of ___.

Q. Question 18
(a) The slow process of conversion of dead vegetation into coal is called___.
(b) Coal and petroleum are formed from the dead remains of organisms and are known as ___.
(c) The black thick liquid with ___ smell is known as coal tar
(d) During the processing of coal to get coke, coal tar and ___ are also obtained.
(e) The process of separating the various constituents of petroleum is known as ___.
(f) Excessive burning of fossil fuels is a major cause of ___.

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