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