Test for starch Flashcards
Food
1
Q
What do you add to some starch dissolved in water?
A
few drops of iodine solution.
2
Q
A few drops of iodine solution are added to?
A
some starch dissolved in water.
3
Q
What colour is iodine?
A
red-brown.
4
Q
Drops of iodine solution get added to water for what?
A
as a control.
5
Q
If starch is present, the colour turns?
A
blue-black.
6
Q
If the colour turns blue-black that means?
A
starch is present.
7
Q
If starch is absent, the colour turns?
A
stays red-brown.
