Question

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Which of the following is/are thermochemical reaction(s)?
Choose one or more Options
a. CaO(s)+H2O(1) + Ca(OH)(aq)
b. Cu(s) + Zn(SO)2(aq) + Cu(SO),(aq) + Zn(s)
C. 2Na(s) + 2H2O(1) + 2NaOH(aq) + H2(g)
d. H2(g) + Cl2(g) → 2HCl(g)
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Answer 1

Answer:

Option b is correct answer.