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Burning of paper
Conversion of water into steam
Digestion of food
Burning of coal
Which among the given is not a chemical reaction -
Which among the given is not a commercial source of energy -
Which among the given is not a donor atom
Which among the given is not a natural source of hydrocarbon
Which among the given is not a nitrogenous fetiliser -
Which among the given is not a noble gas
Which among the given is not a nucleon
Which among the given is not a part of a CRT
Which among the given is not a property of heavy water
Which among the given is not an insectivorous plant -