When H2S gas passed through the HCl containing aqueous solution of CuCl2, HgCl2, BiCl3 and CoCl2. It — AITS & Test Series Chemistry Question
Question
When H2S gas passed through the HCl containing aqueous solution of CuCl2, HgCl2, BiCl3 and CoCl2. It does not precipitate out
Answer: D
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