Question
Compare LPG and wood as fuels.
| LPG | Wood |
| It is a gaseous fuel. | It is a solid fuel. |
| It does not produce smoke. | It produces smoke. |
| It is easily stored in cylinders. | It requires more space to store. |
| It does not cause any pollution. | It causes more pollution. |
| Its calorific value is high, i.e. 55000 kJ/kg. | Its calorific value is less, i.e. 17000-22000 kJ/kg. |
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