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
5
Til T
1​

Answer 1

Answer -

1. Fossil fuels are Coal, Petroleum and Natural Gas.
2. Process of separation of different constituents from petroleum is called refining.
3. Least polluting fuel for vehicle is CNG.

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Answer 2

Explanation:

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