Question

Which of the following is a thermal decomposition reaction ?
(a) 2H2O → 2H2 + O2

(b) 2AgCl → 2Ag + Cl2

(c) ZnCO3 → ZnO + CO2

(d) H2(g) + Cl2(g) → 2HCl(g)

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Answer 1

Answer:

2NaHCO3(s)→CO2(g)+H2O(g)+Na2CO3(s)

Answer 2

Answer:

option c

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