1.Б h2so3
2.З na2so4+h2o
3.Е caso3
4.Д baso4
5.В so3
6.А n2so4
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Answers & Comments
1.Б h2so3
2.З na2so4+h2o
3.Е caso3
4.Д baso4
5.В so3
6.А n2so4