Which of the following statements about the iodine test is FALSE?
A. The purpose of the test is to check for the presence of starch
B. If positive, it will turn black/blue/purple
C. A solution that you want to test needs to be heated in a 100 C water bath first
D. A cotton ball will test negative, as it does not contain any starch
Answer:C
Which of the following statements about the iodine test is FALSE?
A. The purpose of the test is to check for the presence of starch B. If positive, it will turn black/blue/purple C. A solution that you want to test needs to be heated in a 100 C water bath first D. A cotton ball will test negative, as it does not contain any starch