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What color results from lugols iodine test for starch when the results are positive?
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Intense blue or black color (only potato tested positive)
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What does the sudan 4 test for?
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Lipids /Hydrocarbons
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What color results in a positive sudan 4 test?
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Red
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If fat is present in the sudan 4 test what color will you see
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A red layer will be seen floating on top
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What substances were tested in the sudan 4 test
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Water, vegatable oil, hamburger juice, salad dressing
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What substances tested positive in the sudan test
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Vegetale oil, salad dressing
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