Question

What is coal and petroleum ?​

Answer 1

coal and petroleum are fossil fuel.

coal:it is a complex mixture of compound of carbon, hydrogen, small amount of nitrogen and sulphur.

petroleum : it is complex mixture of several solid, liquid and gases.

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Answer 2

Answer:coal:it is a complex mixture of compound of carbon, hydrogen, small amount of nitrogen and sulphur.

petroleum : it is complex mixture of several solid, liquid and gases.