Question

How are fuels classified ?Give two example of each.

Answer 1

Classification of fuels - A fuel is substance that can gives heat energy on combustion. a fuel contain carbon and hydrogen as main combustible elements fuel.

Answer 2

hey folk...

Fuels can be classified on the basis of their physical state as,
→ solids,
→liquids and
→ gaseous state

Example:
Solid:
→agricultural waste
→ wood

liquid:
→diesel,
→petrol

gaseous:
→LPG,
→biogas ,

Thank you
hope it helps...!