Answer :

N - distilled H2O (water)

A - HF (Hydrofluoric Acid)

B - CsOH (Cesium Hydroxide)

N - NaBr (Sodium Bromide)

B - Ba(OH)2 (Barium Hydroxide)

A - HC3COOH (Acetic Acid)

A - HClO3 (Chloric Acid)

B - RbOH (Rubidium Hydroxide)

Metal hydroxides are bases