2. Types of Salts MCQs Welcome to your 2. Types of Salts MCQs Which of the following is a double salt? K4[Fe(CN)6] [Cu(NH3)4]SO4 K2SO4·Al2(SO4)3·24H2O Na2[Zn(OH)4] None KHSO4 is: Acid Base Acid salt Normal salt None A complex salt contains: Two cations or two anions. A metal atom surrounded by ligands. Simple ions only. Both a and b. None Previous Start Quiz Next Time's up