Question

which of the following is not an exothermic reaction a) burning of coal b) respiration c) mixing of calcium oxide with water d)photosynthesis​

Answer 1

Answer:

photosynthesis

Explanation:

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Answer 2

Answer:

d)photosynthesis​

Explanation:

Photosynthesis is considered to be an “endothermic reaction” because it absorbs the sun's energy to enable the reaction to happen. Like most of the endothermic reactions, the plants do not absorb heat but they absorb sun's photothermal energy to perform 'photosynthesis' in order to produce starch

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