Testing regents

Question 1

Testing for sugar/glucose

Answer 1

Benidicts solution
brick red = positive
blue = negative
boiling water bath required

Question 2

Testing for starch

Answer 2

Iodine
blue black = positive
yellow brown = negative

Question 3

Testing for protine

Answer 3

Biuret
purple = positive
blue = negative

Question 4

Testing for fats

Answer 4

Ethanol
milky white = positive
pour into an equal volume of water