@omar.nazar: Barfoed test (Blue colour)// 1. Take 2 test tubes, label them according to your group and put 1ml of sample in each dry test tube. 2. Add 1ml of Barfoed’s test to the solution. 3. Mix and put the solution in boiling water bath for 3-5 minutes. 4. Observe red precipitate Seliwanoff test (Yellow colour)// 1. Take 2 test tubes, label them according to your group and put 1ml of sample in each dry test tube. 2. Add 1ml of Seliwanoff's reagent (resorcinol and Hydrochloric acid) to the solution. 3. Mix and put the solution in boiling water bath for 5-10 minutes. 4. Observe red color

Omar.N.Zebari

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Sunday 22 February 2026 20:10:27 GMT