Question

Compare LPG and wood as fuels.

Answer 1

Hint:
LPG or Liquified Petroleum Gas and wood as fuels gas is obtained from the refining of petroleum and also found in natural gas whereas the wood is obtained from the forest trees.

Complete step by step answer:

LPG	Wood
LPG has a more calorific value of about 55,000 KJ/ kg as compared to the wood.	Wood has a less calorific value of about 17,000 to 22,000 KJ/kg as compared to the LPG.
It doesn't affect environmental conditions and human beings	It is harmful to the environment and can cause fatal diseases like asthma.
It doesn't produce smoke.	It produces smoke in a large amount.
It is easy to store LPG in the form of liquid by applying high pressure.	It is not easy to store it as wood needs a lot of space and can spoil at a faster rate when it comes in contact with moisture.
Due to easy storage, it can be easily transported from one place to another.	It cannot be transported easily as it will have large vehicles as compared to the LPG fuel.
LPG has a low value of ignition temperature.	Wood has a high value of ignition temperature.

Note:
Ignition temperature is the minimum temperature at which the substance can catch fire in normal environmental conditions. LPG gas is preferred over wood because it will be less harmful to the living organisms. Moreover, wood is obtained from the trees so it can also cause deforestation.