Chemistry 5070 · O Level · Exothermic and endothermic reactions

Exothermic and endothermic reactions — practice question

The photosynthesis equation is shown below. $6\text{CO}_2 + 6\text{H}_2\text{O} \rightarrow 6\text{O}_2 + \text{C}_6\text{H}_{12}\text{O}_6$ Which of the following statements about photosynthesis is correct?

  • AIt has a negative enthalpy change.
  • BIt is catalysed by the presence of yeast.
  • CThe products of photosynthesis are oxygen and starch.
  • DIt occurs in green leaves.

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