state gov Rajasthan Police Constable Mock Test Series 2025 General Science Chemistry Chemical Reaction
Which of the following is an example of a thermal decomposition reaction?
1
2H2O → 2H2 + O2
2
2NaCI (molten) → 2Na + Cl2
3
ZnCO3 → ZnO + CO2
4
2AgCI → 2Ag + CI2
5
Question Not Attempted