Which one is not a chemical decomposition reaction? - Vidyadip

MCQ

Which one is not a chemical decomposition reaction?

A
2NaHCO3 → Na2CO3 + H2O + CO2
✓
Zn+2HCl → ZnCl2 + H2
C
2Pb3 04 → 6PbO + O2
D
CuCO3 → CuO + CO2

✓

Answer

Correct option: B.

Zn+2HCl → ZnCl2 + H2

B

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