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Chem Practicals > FOOD > Flashcards

FOOD Flashcards

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1
Q

CuSO4, 10% NaOH

A

protein, violet solution

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2
Q

Conc HNO3, NH4OH

A

protein, yellow ppt turns orange

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3
Q

Millon’s Reagent

A

protein, buff colouration

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4
Q

Fehling’s Solution

A

glucose, red ppt of cuprous oxide

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5
Q

Resorcinol, Conc HCl

A

glucose, light pink solution

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6
Q

Alcoholic 𝛼-naphthol, Conc H2SO4

A

glucose, violet ring at the junction of the two liquids

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7
Q

Tollen’s reagent

A

glucose, silver mirror

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8
Q

10% NaOH

A

glucose, yellow solution

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9
Q

0.5 cm3 Conc H2SO4

A

glucose, sugar is charred and a black mass is formed

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10
Q

Lead acetate, NH4OH

A

glucose, white ppt that turns pink

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Chem Practicals (2 decks)

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