bio food tests Flashcards
1
Q
FAT
A
A few drops of oil 2CM3 of ethanol And shake the test tube, then add twoCM3 Of water and shake
2
Q
POSITIVE RESULT FOR FAT
A
CLOUDY WHITE EMULTION
3
Q
NEGATIVE RESULT FROM FAT
A
CLEAR COLOURLESS
4
Q
PROTEIN
A
10 drops of copper sulfate into a test tube, with sample, then add ten drops of hydrogen sulfate, then mix
5
Q
positive result for protein
A
purple
6
Q
negative result for protein
A
blue
7
Q
REDUCING SUGAR
A
2CM cubed of Benedict solution into a boiling tube, that contains sample, then heat it up for 5 minutes.
8
Q
positive result from RS
A
brick red
9
Q
negative result from RS
A
Light blue
10
Q
STARCH
A
A drop of iodine solution in a well of a spotting tile then add five drops of testing solution
11
Q
Positive result for starch
A
black
12
Q
negative result for starch
A
orange/brown
