Food tests Flashcards by Eesha sharma

Q

starch

A

Iodine
positive: Blue black
Negative: yellow or brown

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Q

protein

A

Biuret
Positive: Purple
Negative: blue

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Q

lipids

A

ethanol
positive: cloudy white
negative: clear

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Q

glucose

A

benedicts
positive: brick red
negative: blue

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