Q. Which is an example of an endothermic reaction?
A) mix of CaO with water
B) combustion
C) photosynthesis
D) coal is burnt
✔ Correct Answer: photosynthesis
Exam Insight
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A) mix of CaO with water
B) combustion
C) photosynthesis
D) coal is burnt
✔ Correct Answer: photosynthesis
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