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Glossary of cations 2

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Pb+2
dil HCl --> white ppt
Cu
dil HCl + H2S --> black ppt
Al+3
NH4Cl + NH4OH --> white gel
Zn+2
NH4+Cl + NH4OH + H2s --> white pt
Mn+2
NH4+Cl + NH4OH + H2s --> flesh ppta
Ca+2
NH4Cl + NH4OH + (NH4)2 SO4 --> white crystal - red flame
Ba+2
NH4Cl + NH4OH + (NH4)2 SO4 --> white crystal - green flame
Na
equ volume Potassaium peroxilate + scratch --> white crstal
K
picric acid + scratch = yellow crystals (pink flame)
NH4
NaOH boiled with salt --> stench

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