Anaerobic bacteria digest animal waste and produced biogas (Change-A). The biogas is then burnt as fuel (Change-B). the following statements pertain to these changes. choose the correct one.
A. process-A is a chemical change.
B. process- B is a chemical change .
C. both processes A and B are chemical changes.
D.None of these processes is a chemical change.
Answers
Answered by
3
Answer:
Change A and change B both are chemical changes.
As both the reaction are irreversible, they lead to the formation of new substances.
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Answered by
2
Answer:
c. Both a and b are chemical process
Explanation:
This is because in Process A, digestion is chemical reaction
In process B, Burning is chemical reaction
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