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Shane Buckley

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Food Tests IGCSE

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Food Tests IGCSE Flashcards

Flashcards by Oliver Hall, updated more than 1 year ago

	Created by Oliver Hall over 7 years ago

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Resource summary

Question	Answer
Starch	Iodine solution Brown to dark blue
Glucose (reducing sugar)	Benedict's Solution Heat to 95 C Green precipitate = small amount of glucose Yellow = medium Orang-Red = High concentration
Protein	Biuret Test Blue ring at surface = + If sample is shaken blue ring disappears and the solution turns purple
Fat	Ethanol Cloudy solution = +
Vitamin C	1cm3 of DCPIP Add dye to solution of food sample If VIT C is present, blue colour will disappear

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