Question

12. Anaerobic bacteria digest animal waste and produce biogas (Change
The biogas is then burnt as fuel (Change - B). The follow
statements pertain to these changes. Choose the correct one.
(i) Process - A is a chemical change.
(ii) Process - B is a chemical change.​

Answer 1

Answer:

Correct option is (I) Process- A is a chemical change

Explanation:

The Anaerobic bacteria convert or digest animal waste ans produce biogas by a process called Anaerobic degradation which is a chemical process in the absence of oxygen.