Flag 7 grade science> Question 12: Anaerobic bacteria digest an...
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Question 12: 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.

Harshit Singh , 3 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati

Last Activity: 3 Years ago

Answer:(iii) Both processes A and B are chemical changes.

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