jerrell2693 jerrell2693
  • 09-01-2024
  • Chemistry
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To avoid the precipitation of hydroxides of Ni₂+,Co₂+,Mn₂+ along with those of the third group cations, the solutions should be
A heated with few drops of conc. HNO₃
B heated with excess of ammonium chloride
C concentrated to small volume
D none of these

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