Food Tests Flashcards
1
Q
What solution is used for testing sugar and the colour change
A
Benedict’s (blue to green yellow or red)
2
Q
What is the solution used for testing starch and the colour change
A
Iodine (brown/orange to black or blue black)
3
Q
What is the solution used for testing proteins and the colour change
A
Buiret ( blue to purple)
4
Q
In the practical which solution have water added
A
Ethanol
5
Q
How are each solution used in the practical
A
Place food into test tube, (prepare water bath), add solution ( and water), (place tube into water bath,), observe colour change
6
Q
Which solution requires a water bath?
A
Benedict’s
