Biology: Year 9 Term 3: Food Testing 0.0 / 5 ? BiologyEnzymes and digestionGCSEAQA Created by: Charlotte HerondaleCreated on: 01-04-18 15:20 What is the chemical to add to test for protein? What is it made of? (3) Biuret - Sodium Hydroxide and Copper Sulfate 1 of 12 If protein is present, what colour/s will it turn? (2) Pink/Purple 2 of 12 What is the chemical to add to test for starch? (1) Iodine 3 of 12 If protein is present, what colour/s will it turn? (2) Black/Blue 4 of 12 What is the chemical to add to test for lipids (fats)? (1) Sudan III 5 of 12 What appears in the mixture if lipids (fats) are present? (2) A red layer floating at the top 6 of 12 What is the chemical to add to test for sugar/glucose? (1) Benedict's Solution 7 of 12 If sugar/glucose is present, what colour/s will it turn? (3) Green, Yellow or Red 8 of 12 For which solution must the test tube be placed in a water bath to react? (1) Benedict's 9 of 12 What does starch break down into? (1) Sugars (Glucose) 10 of 12 What does protein break down into? (1) Amino Acids 11 of 12 What does fat break down into? (2) Fatty Acids and Glycerol 12 of 12
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