Determining the neutralization reaction
Which of the following is a neutralization reaction?
A. KCl + NaNO3 --> KNO3 + NaCl
B. HNO3 + KOH --> H2O + KNO3
C. H2O + SO3 --> H2SO4
D. 4Na + O2 --> 2Na2O
E. 2NO2 --> 2NO + O2
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