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Which effect is observed when h2s …

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Which effect is observed when h2s gas passed in salt analysis
  • 2 answers

Vishal Singh 5 years, 11 months ago

Black ppt is for in case of 2 group

Neha Choudhary 5 years, 11 months ago

Ppt formed in case of 2 group basic radical ppt is black In case of 4 grop ppt is of dull white or puff colour
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