Question

8) what are the best fuels among the solids, liquid as and gases?​

Answer 1

Answer:

solid- coal

liquid- petroleum

gas- natural gas

Answer 2

Answer:

There can be many types of fuels , in all states of matter , i.e solid, liquid and gases .

Some examples are :-

Solid - Coal , Wood , Cotton etc .

Liquid - Petrol , Diesel , Keroseone etc.

Gases - Nitrogen , LPG , Natural Gases etc.

Out of all these fuels , each one of them isn't good for the nature . Since they release highly contaminated by product like smoke , emissions and etc.

Explanation:

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