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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 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.
If iodine solution turns blue-black what substance is present?
Starch is likely present in the solution if iodine turns blue-black. This color change is a characteristic reaction that indicates the presence of starch.
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 does it mean if a powder turns black in the presence of iodine?
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.
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.
When iodine solution turns blue black what substance is present?
Starch
When iodine solution turns blue-black what substance is present?
Starch
What happens when iodine solution turns blue-black what substance is present?
Starch is present. Check a potato with iodine.
What is a substance that does not dissolve in water does nothing in vinegar and turns black in an iodine solution?
Starch
What compound does food contain if it turns black when tested with iodine?
Starch. When iodine is added to a substance containing starch, it will turn black or blue-black in color. This reaction is commonly used to test for the presence of starch in foods like bread, potatoes, and rice.
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.
If iodine solution turns blue-black what substance is present?
Starch is likely present in the solution if iodine turns blue-black. This color change is a characteristic reaction that indicates the presence of starch.
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 turns color in the presence of strach?
In the presence of starch, iodine turns purple.
What does it mean if a powder turns black in the presence of iodine?
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.
Which substance turns a blue-black colour when treated with a few drops of iodine solution?
Starch turns a blue-black color when treated with a few drops of iodine solution. This color change occurs due to the formation of a complex between the starch molecules and the iodine ions.
