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What is the colour of starch after iodine has been added?
The color of starch after iodine has been added is deep blue to black.
What color does iodine turn in starch?
Iodine turns blue-black in the presence of starch.
Why didn't the margins of the leaf turn blue black after the use of the iodine solution?
The margins of the leaf did not turn blue-black because there was no starch present in that area. The iodine solution reacts with starch to produce a blue-black color. If the margins did not turn blue-black, it suggests that there was no starch in that part of the leaf.
What substance is present if iodine soluntion turns blue-black?
If iodine solution turns blue-black, it indicates the presence of starch. Iodine forms a complex with starch, resulting in the blue-black color.
What reacts with iodine to produce a blue-black color?
Starch molecules react with iodine to produce a blue-black color. This reaction is commonly used as a test for the presence of starch in a substance.
What observations do you need to expect if starch is present when testing leaf for starch?
It can be observed that when testing for starch their must be a olour change of blue black after iodine solution was added.Before the colour change was green that changed to blue black of the whole procedure is been carried out.
What will happen when you add a drop of iodine to starch?
It will usually turn black that is a starch test you can test It on various vegetables and sources if food like peanuts and bananas and if they turn black it means they have some trace of starch in them
Which white powder turns blue-black in iodine solution?
Starch powder turns blue-black in iodine solution due to the formation of a starch-iodine complex.
What colour does iodine go in the presence of starch?
Iodine turns blue-black in the presence of starch.
Why did the leaf turn blue black when iodine was added in the starch test?
The leaf turned blue-black in the starch test because iodine forms a complex with starch molecules, resulting in the blue-black color change. This color change indicates the presence of starch in the leaf tissue.
What is the colour of starch after iodine has been added?
The color of starch after iodine has been added is deep blue to black.
What color does iodine turn in starch?
Iodine turns blue-black in the presence of starch.
What does iodine solution test for?
For starch, which will give a deep blue-black color.
Why didn't the margins of the leaf turn blue black after the use of the iodine solution?
The margins of the leaf did not turn blue-black because there was no starch present in that area. The iodine solution reacts with starch to produce a blue-black color. If the margins did not turn blue-black, it suggests that there was no starch in that part of the leaf.
What substance is present if iodine soluntion turns blue-black?
If iodine solution turns blue-black, it indicates the presence of starch. Iodine forms a complex with starch, resulting in the blue-black color.
What reacts with iodine to produce a blue-black color?
Starch molecules react with iodine to produce a blue-black color. This reaction is commonly used as a test for the presence of starch in a substance.
Why do green leaves turn blue black when iodine is added?
because the leaves have photosynthesized- glucose is produced. therefore, the excess glucose is converted to starch. The starch is then stored in the leaf-starch is what causes the "green" leaf to turn blue black, as iodine turns blue-black when it reacts with starch.:P
