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Select the most appropriate option. Which of the following reactions is
Chemistry
Chemical Thermodynamics
Question
Updated
19 Aug 2026
Select the most appropriate option. Which of the following reactions is exothermic?
A
Choose Your Answer
A
H 2(g) → 2H (g)
B
C (s) → C (g)
C
2Cl (g) → Cl 2(g)
D
H 2 O (s) → H 2 O (l)
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