Question

Pyrolysis of wood yields

• A. Alcohol
• B. Charcoal
• C. Charcoal and wood gas
• D. Charcoal, wood gas, tar and oil

Answer 1

The correct option is D Charcoal, wood gas, tar and oil

Pyrolysis is the thermal composition of a material by heating it at a very high temperature. Pyrolysis of wood occurs at a temperature of 200–300 °C. Many products are formed from pyrolysis of wood like charcoal, tar, wood gas and wood oil. Charcoal is the residue left after burning of wood. It is rich in carbon. Wood gas and wood oil are used as fuels. Tar is a black liquid and used as filler in roads.

So, the correct answer is 'Charcoal, wood gas, tar and oil'.