Strong acids Weak acids Weak bases Strong bases HBr CH3COOH NH3 NaOH HNO3 HCOOH NH4OH KOH H2SO4 Ca(OH)2 Which salt has a pH < 7? KBr HCOOK CaSO4 NH4NO3
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Strong acid- HNO₃ , H₂SO₄.
Strong base- KOH , NaOH.
Weak acid- HBr , CH₃COOH , NH₃ , HCOOH.
Weak base- Ca(OH)₂ , NH₄OH.
Salt having lesser than 7 pH - HCOOK
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