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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.
Change A is a :
Anaerobic bacteria digest animal waste and produce biogas, which means a new product, biogas, is formed at the end of the reaction. From the above reaction, it is clear that change A is a chemical change.
Change B is :
The burning of biogas results in a chemical change, that is, resulting in the generation of new products.
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