CBSE Class 8 Science Question 4 of 9

Coal and Petroleum — Question 4

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Question 4

Fill in the blanks.

(a) Fossil fuels are ............... , ............... and ............... .

(b) Process of separation of different constituents from petroleum is called ............... .

(c) Least polluting fuel for vehicle is ............... .

Answer

(a) Fossil fuels are coal, petroleum and natural gas.

(b) Process of separation of different constituents from petroleum is called refining.

(c) Least polluting fuel for vehicle is CNG.