Find out total number of coloured compound(s) from following : BaCO3, HgO, PbSO4, Ag2S, HgI2, PbO, CdS, AgNO2, PbCrO4 | Reaction Mechanism — Chem-Mantra | Chem-Mantra

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Question

Find out total number of coloured compound(s) from following : BaCO3, HgO, PbSO4, Ag2S, HgI2, PbO, CdS, AgNO2, PbCrO4

Answer: **6** / HGO, AG2S, HGI2, PBO, CDS, PBCRO4.

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