A positive brown ring test indicates the presence of? By: Sunday|Published on: Aug 22|Categories: Chemistry WAEC| 0 comments A. NO3 B. Fe3+ C. SO2¯³ D. CU+ E. NO2‾ Correct Answer: Option A – NO3 Users Also Read These:To test for the presence of chloride ions; the…Biuret’s test is carried out on a food substance to…Assuming that brown colour is dominant over black…The gas that gives brown colouration in brown ring test is?The colour that is associated with a positive iodine…SEE ALSO When ammonium chloride is dissolved in water in a test tube, the tube feels colder showing that?