Food Tests IGCSE

Beschreibung

Food Tests IGCSE Flashcards
Oliver Hall
Karteikarten von Oliver Hall, aktualisiert more than 1 year ago
Oliver Hall
Erstellt von Oliver Hall vor mehr als 6 Jahre
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Zusammenfassung der Ressource

Frage Antworten
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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