Question

a. What is bio-mass? How is bio-gas obtained obtained?

b. Why is bio-gas considered as an ideal fuel?

Answer 1

[a]

Bio-mass is a plant-based material which is used as fuel to produce heat and electricity.

1. It is any form of organic matter that can be found on earth.
2. When bacteria digest organic matter in absence of oxygen, biogas is produced.
3. This is called anaerobic digestion.

[b]

Bio-gas is considered as an ideal fuel because it burns without producing smoke and does not create any pollution in the air.

1. Biogas produces a large amount of heat per unit- a high calorific value.
2. It is cheaper than most the common fuels.
3. It is a clean fuel.