Qaysi birikmalar suvda eritilganda neytral muhit hosil boladi? 1) natr

75. (v9-113-19) Qaysi birikmalar suvda eritilganda neytral muhit hosil boladi? 1) natriy sulfat; 2) natriy sulfit; 3) natriy karbonat; 4) natriy atsetat; 5) natriy xlorid; 6) natriy nitrat. A) 2, 3, 4 B)1,6
C) 1, 5, 6
D) 3, 5 .