Food tests
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Last updated 9:34 PM on 12/15/24
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12 Terms
1
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What is the test for starch?
iodine
2
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What is the test for glucose?
Benedict’s reagent
3
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What is the test for protein?
biuret’s reagent
4
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What is the test for fats?
Sudan III
5
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What does iodine look like initially?
orange
6
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What does Benedict’s reagent look like initially?
blue-green
7
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What does biuret’s reagent look like initially?
blue
8
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What colour is Sudan III?
red
9
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What does a positive test for starch look like?
iodine turns blue-black
10
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What does a positive test for glucose look like?
Benedict’s reagent turns brick red
11
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What does a positive test for protein look like?
biuret’s reagent turns pink-purple
12
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What does a positive test for fat look like?
Sudan III forms a red line at the top
