Choose the incorrect statement ........

Physics Chapter - 14

Choose the incorrect statement

We are encouraged to plant more trees so as to ensure clean environment and also provide bio-mass fuel

Gobar-gas is produced when crops, vegetable wastes etc., decompose in the absence of oxygen

The main ingredient of bio-gas is ethane and it gives a lot of smoke and also produces a lot of residual ash

Bio-mass is a renewable source of energy

Main product of a biogas is methane. It burns with less smoke and did not produce residual ash.

Submit Error