Question

conversation of organic matter into biogas is a chemical change.explain why​

Answer 1

Answer:

when we make the biogas of an organic matter it can't be obtained as organic matter. According to the property of chemical change it can't be reversed, So it is a chemical change

Answer 2

$\huge\pink{Answer}$

when we make the biogas of an organic matter it can't be obtained as organic matter. According to the property of chemical change it can't be reversed, So it is a chemical change