Qaysi qatorlarda faqat kuchsiz elektrolitlar keltirilgan? 1) РЎРќР·РЎРћРћРќ,

74. (v9-111-25) Qaysi qatorlarda faqat kuchsiz elektrolitlar keltirilgan? 1) РЎРќР·РЎРћРћРќ, NH4OH, HN02; 2) Na2S04, AICI3, H2S04; 3) AI(OH)3, NH4OH, NaOH; 4) NaCI, HF, Zn(OH)2; 5) H2S03, NH4OH, H2C03; 6) CaCI2, HN03, CuS04. A) 1,5 B)1,3, 5
C) 2, 4, 6
D) 2, 6