Which of the following gases turns the acdified potassium dischromate – InterviewSolution

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1.	Which of the following gases turns the acdified potassium dischromate paper green
Answer» HCL `H_(2)S` `CO_(2)` `SO_(2)` Solution :`K_(2)Cr_(2)O_(7) +4H_(2)SO_(4) +2O_(2) to K_(2) SO_(4) +Cr_(2)(SO_(4))_(3)+4H_(2)O`

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