biochemicals 5.0 / 5 based on 1 rating ? BiologyEnzymes and digestionbiochemicalsexperimentsIGCSECIE Created by: RubybluCreated on: 11-04-18 14:01 emulsion test test if lipid is present by adding ethanol to the unknown solution, and if lipid is present, a milky-white emulsion if formed 1 of 5 biuret test test if protein is present by adding buret reagent to the unknown solution, and if protein is present, it will turn a mauve/purple colour 2 of 5 iodine test test if starch is present by adding iodine solution to the unknown solution, and if starch is present, it will turn a deep blue-black colour 3 of 5 benedict's test test is glucose is present by adding benedict's regent to the unknown solution, and if glucose is present, it will turn a orange/brick-red colour 4 of 5 strong/weak solution the more drops added to the unknown solution, the stronger the presence of the organic molecule 5 of 5
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