0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
Is there a method for detecting starch without using iodine?
if you put iodine in food and it contains starch it should change color.
What is principle of iodine test?
the iodine will react with carbohydrate to give different color .
Which colour indicate a negetive test when starch is absent?
If you're using iodine, a negative test will be the color of the iodine solution, which should be a brownish color.
What is the chemical used to test for the presence of starch?
The chemical used to test for the presence of starch is iodine.
What color is positive test result for glucose?
the color of a positive test results is bright green
If stained with iodine what color will a banana turn?
BlackAns2:It is very unlikely that a ripe banana will have enough starch to turn iodine black. When iodine turns black, it is a positive test for the presence of starch.
Is there a method for detecting starch without using iodine?
if you put iodine in food and it contains starch it should change color.
Why did a solution of saliva and oats test positive with benedict's test and iodine test if the oats alone tested positive only in the iodine test and the saliva alone was negative for both?
polysaccharides and simple sugar
Is glucose expected to have a positive iodine test?
No, Starch is
What is principle of iodine test?
the iodine will react with carbohydrate to give different color .
Which colour indicate a negetive test when starch is absent?
If you're using iodine, a negative test will be the color of the iodine solution, which should be a brownish color.
What does iodine detect?
The iodine test is used to test for starch. It reacts with starch to produce a purple blackish color.
What is the chemical used to test for the presence of starch?
The chemical used to test for the presence of starch is iodine.
What color is positive test result for glucose?
the color of a positive test results is bright green
What is the principles of iodine test?
-What is the principle reason for the iodine test?Answer:-This test is used to test for starch prenest in a given solution orIodine test is a test used to determine the presence of starch in a particular substance.A positive result will yield the purple-black color.For example, adding a few drops of iodine solution to potato will seem purple-black color in this solution --->This means that the potato contains starch.by:Abdullah nasser Al-naffar
Why use iodine solution to test for starch?
The test is positive with starch because the iodine takes up a position in the centre of the starch helix which is blue black.
What organic molecule does iodine test for?
They test for carbohydrates. The Iodine reagent tests for starch. The Benedict's reagent tests for small sugars. Most carbohydrates are are made of sugar, and starch is a type of carbohydrate.
