Fill in the banks.

(a) Fossil fuels are ____, and _.

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

(c) Least polluting fuel for vehicles is ______.

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Solution

(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 vehicles is compressed natural gas (CNG).

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Similar questions

Fill in the following blanks with suitable words :

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

(b) Coal contains mainly ___ .

(d) The process of separation of different constituents from petroleum is called ___ .

(e) The least polluting fuel for vehicles is ___ .

(f) The burning of fossil fuels causes air ___ and also leads to global ___ .

What is the least polluting fuel for the vehicles?

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