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Starch, alpha-carbohydrate
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∙ 13y ago
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When using iodine on a potato or corn the iodine turns black What is this evidence of?
Presence of starch.
Does iodine turn blue?
Iodine turns blue in the presence of starch
What color change does starch indicator solution make in the presence of starch?
Iodine turns it purple in the presence of starch. :D~PiNkBuN17 Aka Aisha
What is the reason paper turns black when iodine touches it?
When iodine touches starch it turns black. The paper may contain starch.
What turns blue black when stained with iodine?
Starches turn blue-black when stained with iodine (which usually stains things a reddish-brown or amber color).Iodine turns blue black when starch is present
When using iodine on a potato or corn the iodine turns black What is this evidence of?
Presence of starch.
If Iodine turns black in the presence of starch what is the identity of the powder that turned black?
does not matter once the Powder has starch it turns black and the powder can be any color
What turns color in the presence of strach?
In the presence of starch, iodine turns purple.
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.
Turns color in the presence of starch?
Dark blue very, near to black
Does iodine turn blue?
Iodine turns blue in the presence of starch
What color change does starch indicator solution make in the presence of starch?
Iodine turns it purple in the presence of starch. :D~PiNkBuN17 Aka Aisha
Why did the leaf turn blue black when iodine was added in the starch test?
because photosynthesis has occured in the leaf. starch is produced and turns iodine blue-black indicating the presence of starch.
How can you tell by using iodine if a sugar is a monosaccharide disaccharide or polysaccharide?
Adding iodine to the solution will turn it a deep blue which indicate presence of polysaccharides.
What element turns blue when in presence of starch?
Iodine potassium iodide (I2KI)
What is the reason paper turns black when iodine touches it?
When iodine touches starch it turns black. The paper may contain starch.
What are the food tests for starch?
Iodine turns blue in the presence of starch.
