Question
Cracker + saliva=reaction to iodine
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GPT 3.5
When a cracker comes into contact with saliva and iodine, a reaction may occur due to the presence of starch in the cracker and the starch indicator present in iodine. Iodine is commonly used as a stain or indicator for the detection of starch.
When iodine comes into contact with starch, it forms a deep blue or black color complex. This is because the iodine molecules fit into the coil structure of the starch molecule, causing a molecular rearrangement that results in the formation of the blue-black complex.
If the cracker contains starch and iodine is added to it through saliva, the iodine will react with the starch in the cracker, resulting in a color change. The cracker may turn dark blue or black where the iodine has reacted with the starch. This reaction is known as the iodine-starch reaction.
The iodine-starch reaction is often used in laboratory experiments to detect the presence of starch in various substances. It can also be used as a simple test to identify the presence of starch in food items, such as crackers.
When iodine comes into contact with starch, it forms a deep blue or black color complex. This is because the iodine molecules fit into the coil structure of the starch molecule, causing a molecular rearrangement that results in the formation of the blue-black complex.
If the cracker contains starch and iodine is added to it through saliva, the iodine will react with the starch in the cracker, resulting in a color change. The cracker may turn dark blue or black where the iodine has reacted with the starch. This reaction is known as the iodine-starch reaction.
The iodine-starch reaction is often used in laboratory experiments to detect the presence of starch in various substances. It can also be used as a simple test to identify the presence of starch in food items, such as crackers.
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