Science Testing Flashcards
1
Q
Testing for proteins
A
When you add 1 ml of Biuret’s solution and the food turns purple then the food contains protein.
2
Q
Testing for fats (lipids)
A
When you put the food on the greaseproof paper if a translucent grease spot is formed then the food contains fats (lipids)
3
Q
Testing for starch
A
When you add 3 drops of iodine solution onto the food and if the colour turns dark blue-black the food contains starch.
4
Q
Testing for simple sugars
A
You add 1ml of Benedict’s solution to each test tube and fill a 400ml breaker with boiled water and set the test tube in and then it changes to different colours and has different meanings. Blue green yellow orange red
5
Q
Blue
A
No reducing sugar
6
Q
Green
A
Traceable
7
Q
Yellow
A
Low
8
Q
Orange
A
Moderate
9
Q
Red
A
High
