2. Which of the following equations represents a neutralization reaction?

a. H2CO3 + H2O + CO2

b. 2H2O2 → 2H2O + O2

c. Ba(NO3)2 + K2CO3 →
BaCO3 + 2KNO3

d. HNO3 + NaOH → NaNO3 + H2O