Question

Bio gas is known as gobar gas justify

Answer 1

Biogas is produced from cow dung in the waste water treatment plant that's why it is known as gobar gas. Biogas is used as a fuel. In the first and second sedimentation tank, the activated sludge reaches to the digested tank where it produces biogas. Actually both biogas and gobar gas are same.

Answer 2

Since the starting material for production of biogas is mainly cow dung ,that is gobar it is known as gobar gas