Core Practical: Food Tests (Edexcel GCSE Biology Combined Science): Flashcards
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Practise the cards
10 cards from this deck
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Practise the cards
10 cards from this deck
Reagent used to test for starch
Reagent used to test for starch
Iodine solution
Reagent used to test for reducing sugars
Reagent used to test for reducing sugars
Benedict's solution
Reagent used to test for proteins
Reagent used to test for proteins
Biuret reagent
Reagent used to test for lipids
Reagent used to test for lipids
Ethanol
Positive iodine test colour for starch
Positive iodine test colour for starch
Blue-black
Positive Benedict's test colour change
Positive Benedict's test colour change
Blue to cloudy orange or brick red
Positive Biuret test colour for proteins
Positive Biuret test colour for proteins
Mauve or purple
Positive emulsion test result for lipids
Positive emulsion test result for lipids
Milky-white emulsion
Water bath temperature for Benedict's test
Water bath temperature for Benedict's test
95°C
Nutrients found in beef
Nutrients found in beef
Proteins and lipids