A cracker crushed in water will test positive with iodine but negative with benedict’s solution. A

cracker crushed in water has another chemical called amylase added to it. After a few minutes,

this cracker tests negative with iodine and positive with benedict’s solution. Explain what

happened.

A cracker which contains starch,is test positive with iodine solution but not Benedict's solution. This is because Benedict's solution is used to test for reducing sugars like glucose,galactose,fructose,maltose and lactose.In this case, the cracker is added with amylase enzyme which hydolyses starch into maltose,thus benedict's solution is test positive

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A cracker crushed in water will test positive with iodine but negative with benedict’s solution. Acracker crushed in water has another chemical called amylase added to it. After a few minutes,this cracker tests negative with iodine and positive with benedict’s solution. Explain whathappened.

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