题目内容
下列各组物质的性质比较正确的是（ ）
2021-09-16
A.碱性：KOH＞NaOH＞LiOH
B.酸性：HNO3＞H3PO4＞HClO4
C.还原性：Cl-＞S2-＞I-
D.稳定性：H2O＞HF＞H2S
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