Respuesta :

Answer:

HNO3 and HNO2

Explanation:

Conjugate acid base pair differ only by the presence of a hydrogen proton (H+).

NH3 and NH2-

This is a Conjugate acid base pair

HNO3 and HNO2

This is a NOT Conjugate acid base pair

H2O and OH-

This is a Conjugate acid base pair

HI and I-

This is a Conjugate acid base pair