1.
下列物质中属于强酸的是,属于强碱的是,属于弱酸的是,属于弱碱的是,属于可溶性盐的是,属于难溶性盐的是.
⑴CH3COOH (2)H2SO4 (3)Fe(OH)3 (4)CuSO4 (5)H2SO3 (6)NH3•H2O (7)KOH (8)HNO3 (9)AgCl (10)Cu(OH)2 (11)CaCO3 (12)H2CO3 (13)H2S (14)NaOH (15)HCl (16)KNO3 (17)NH4Cl (18)NaHSO4 (19)NH4HCO3 (20)Cu2(OH)2CO3