(i) Fossil fuels are exhaustible natural resources. Why? (ii) List out any two advantages of using CNG as fuel? (111) What is carbonisation?
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Answer:
(I)The formation of fossil fuels is a very slow process, it takes millions of years. Hence, the amount of resources available for use is limited and is being exhausted by human activities like industrialization, rapid growth, etc. Thus, fossil fuels are exhaustible natural resources.
(ii) Green Fuel. Commonly referred to as the green fuel because of its lead and sulphur free character, CNG reduces harmful emissions. ...
Safe Fuel. The properties of CNG make it a safe fuel. ...
High auto ignition temperature. ...
Low operational cost. ...
Dual facility. ...
Increased life of oils.
(iii). Carbonization is the conversion of organic matters like plants and dead animal remains into carbon through destructive distillation
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