Question

Which of the following is a decomposition reaction. A) CuO +H2 - Cu+H2O
B) Zn+CuSO4 - ZnSO4 + H2
C) 2KCLO3 - 2KCL + 3O2
Zn+2Hcl - ZnCl2 +H2

Answer 1

the 2nd one

2KClO3 -> 2KCl + 3O2

is a decomposition reaction as one compound breaks into 2 or more products.(here 2)

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