Question:
Unknown salt A K Cr O conc H SO Reddish brown fumes Which is
Last updated: 6/27/2023
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Unknown salt A K Cr O conc H SO Reddish brown fumes Which is the correct statement regarding the above observation 1 It confirms the presence of Cl ion 2 It confirms the presence of Brion 3 It confirms the presence of both 4 It neither confirms Cl nor Br unless it is passed through NaOH solution