IB
IBO
Chemistry
October 2023
QP-202310-Chemistry-P1（TZ2）-HL · Question 14
Question (excerpt):
14. Which reactions release heat? I. C (s) + O2 (g) CO2 (g) II. Na+ (g) + e- Na (g) III. NH3 (g) NH3 (l) A. I and II only B. I and III only C. II and III only D. I, II and III
14. Which reactions release heat? I. C (s) + O2 (g) CO2 (g) II. Na+ (g) + e- Na (g) III. NH3 (g) NH3 (l) A. I and II only B. I and III only C. II and III only D. I, II and III
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