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Biology Yr11 > Food Tests > Flashcards

Food Tests Flashcards

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1
Q

Explain the starch test

A

Add iodine to food

Colour change yellow brown to blue black

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2
Q

Test for sugar

A

Benedicts
Grind food in pestle and mortar, add to test tube, add Benedicts, boil in water bath

Blue to green to brick red

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3
Q

Test for protein

A

Biurets
Grind food in pestle and mortar
Add sodium hydroxide, then few drops of copper sulfate

Blue to purple

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4
Q

Fat test

A

Emulsion
Grind food
Add ethanol
Clear white emulsion

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5
Q

Test for vitamin C

A

Dcpip
Add dcpip
Blue to pink to colourless

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Biology Yr11 (29 decks)

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