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If a powder turns black in the presence of iodine, it likely indicates the presence of starch. Starch forms a blue-black complex with iodine due to the formation of an iodine-starch complex. This color change reaction is commonly used as a chemical test to detect the presence of starch in a substance.
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Which white powder turns black when it touches iodine?
Starch is a white powder that turns black when it comes in contact with iodine. This reaction is often used as a simple test for the presence of starch in a substance.
What color does iodine turn in starch?
Iodine turns blue-black in the presence of starch.
What is iodine in the presence of when it turns black?
When iodine turns black, it is usually in the presence of starch. This forms a blue-black complex that is used in various chemical tests to detect the presence of starch in a substance.
What color does iodine turn if a starch is present?
Iodine turns blue-black in color in the presence of starch.
What color does iodine turn in the presence of startch?
Iodine turns blue-black in the presence of starch due to the formation of a complex between iodine and starch molecules.
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
Which white powder turns black when it touches iodine?
Starch is a white powder that turns black when it comes in contact with iodine. This reaction is often used as a simple test for the presence of starch in a substance.
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.
What color does iodine turn in starch?
Iodine turns blue-black in the presence of starch.
What turns color in the presence of strach?
In the presence of starch, iodine turns purple.
What is iodine in the presence of when it turns black?
When iodine turns black, it is usually in the presence of starch. This forms a blue-black complex that is used in various chemical tests to detect the presence of starch in a substance.
What color does iodine turn if a starch is present?
Iodine turns blue-black in color in the presence of starch.
What color does iodine turn in the presence of startch?
Iodine turns blue-black in the presence of starch due to the formation of a complex between iodine and starch molecules.
What element turns blue when in presence of starch?
Iodine turns blue-black when in the presence of starch. This color change is a common test for the presence of starch in biological samples.
What color does iodine turn when a starch is present?
Iodine turns blue-black in the presence of starch.
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.
