Question

During sewage, treatment biogas is produced wits which include:

विकल्प

• Methane, oxygen, hydrogen sulphide

• Hydrogen sulphide, methane, sulphide dioxide

• Hydrogen sulphide, nitrogen, methane

• Methane, hydrogen sulphide, carbon dioxide

Answer 1

Hydrogen sulphide, methane, sulphide dioxide

Explanation:

Biogases are a mixture of gases such as methane, hydrogen sulphide, and carbon that are produced during sewage treatment.