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Question
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.
Options
Process – A is a chemical change.
Process – B is a chemical change.
Both processes A and B are chemical changes.
None of these processes is a chemical change.
MCQ
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Solution
Both processes A and B are chemical changes.
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