Answer fast plzzz

Hayy here your answer

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A) NH4 + , Fe +2, K + B) Na + , Cu 2+
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Donot post your own answers after asking questions
  • -4
1- Ag+ Cu2+
2-same as 1
3-Mg2+,Fe2+
4-copper mercury
5-S2-,So4 2+
6-Fe3+,Au3+
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