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Biology-Organisation > Food Tests > Flashcards

Food Tests Flashcards

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1
Q

What is used to test for starch?

A

Iodine

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2
Q

What is used to test for sugar?

A

Benedicts solution

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3
Q

What is used to test for protein?

A

Biuret solution

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4
Q

What is used to test for lipids?

A

Ethanol

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5
Q

What colour appears when starch is present?

A

Blue-black

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6
Q

What colour appears when a reducing sugar is present?

A

Green, yellow or brick-red

Depends on sugar concentration

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7
Q

What colour appears when protein is present?

A

Purple

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8
Q

What will appear when a lipid is present?

A

A cloudy-white (milky) emulsion which floats in the upper layers of the water

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Biology-Organisation (9 decks)

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