Required Practical: Food Tests (OCR GCSE Biology A, Combined (Gateway Science Suite)): Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
Benedict's test detects
Benedict's test detects
Reducing sugars
Benedict's test positive result
Benedict's test positive result
Blue to brick-red or orange
Benedict's test temp & time
Benedict's test temp & time
75°C for 5 minutes
Iodine test detects
Iodine test detects
Starch
Iodine test positive result
Iodine test positive result
Brown to blue-black
Biuret test detects
Biuret test detects
Protein
Biuret test positive result
Biuret test positive result
Blue to purple
Emulsion test detects
Emulsion test detects
Lipids
Emulsion test positive result
Emulsion test positive result
Cloudy white emulsion
Sudan III test detects
Sudan III test detects
Lipids
Sudan III test positive result
Sudan III test positive result
Red-stained oil layer on surface
Reagent for starch test
Reagent for starch test
Iodine solution
Reagent for protein test
Reagent for protein test
Biuret solution
Reagents for lipid emulsion test
Reagents for lipid emulsion test
Ethanol then distilled water
Volume of Benedict's solution to add
Volume of Benedict's solution to add
2-3