6 Strong Acids and 6 Strong Bases

Hydrochloric AcidHCl (Strong Acid)
Hydrobromic AcidHBr (Strong Acid)
Hydroiodic AcidHI (Strong Acid)

Nitric AcidHNO3 (Strong Acid)
Perchloric AcidHClO4 (Strong Acid)
Sulfuric AcidH2SO4 (Strong Acid)
Lithium HydroxideLiOH (Strong Base)
Sodium HydroxideNaOH (Strong Base)
Potassium HydroxideKOH (Strong Base)
Calcium HydroxideCa(OH)2 (Strong Base)
Strontium HydroxideSr(OH)2 (Strong Base)
Barium HydroxideBa(OH)2 (Strong Base)