Question

14. Which one is exothermic reaction ?
a. CaCO3 + Heat - CaO + CO2
c. C+O2 - C02 + Heat
b. N2 + O2 → 2NO - Heat
d. KCIO3 - 2kCl + 302​

Answer 1

Answer:

2nd one is the right answer.

I mean that c. is right