Question

Fill in the blanks.
(a) Fossil fuels are ------------ ,----------- and -------------
(b) process of saparation of different constituent from petrolium is called -----------.
(c) least polluted fuel for vehicle is --------------​

Answer 1

Explanation:

1. A fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing organic molecules originating in ancient photosynthesis that release energy in combustion
2. Fossil fuels Coal, Petroleum, and natural gas. (b) Process of separation of different constituents from petroleum is called refining.
3. CNG
4. (c) Least polluting fuel for vehicle is CNG. Reason: - Fossil fuels are formed from dead remains of living organisms.

Answer 2

Answer:

Ans a Coal , Petroleum and natural gas

Ans b. refining

Ans c . CNG

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