Question

HNO3 is an Arrhenius ______________ and increases the concentration of __________ when added to water.
KOH is an Arrhenius ______________ and increases the concentration of __________ when added to water.
Ca(OH)2 is an Arrhenius ______________ and increases the concentration of __________ when added to water.
H2SO4 is an Arrhenius ______________ and increases the concentration of __________ when added to water.

Answer 1

1. Acid , H+ ion
2. Base , OH- ion
3. Base , OH- ion
4. Acid , H+ ion