Which one of the following is an exothermic reaction ?
a) Electrolysis of water
b) Process of photosynthesis
c) Process of respiration
d) Conversion of limestone into guicklime
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Answer:
The process of respiration is an exothermic reaction.
Explanation:
During respiration, breakdown of glucose in the presence of oxygen releases heat energy. Therefore, it is an exothermic reaction.
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