Question

Both processes A and B are
None of these processes is a chemical change.
The biogas is then burnt as fuel (Change
statements pertain to these changes. Choose the correct one.
li) Process -A is a chemical change.
(1) Process - B is a chemical change.
B). The following
12. Anaerobic bacteria digest animal waste and produce biogas (Change -​

Answer 1

Explanation:

burning of biomass is chemical change.