Question

What colour change do observe when Iodine is added to the test tube containing starch and saliva? Give reason

Answer 1

Explanation:

Starch has amylose sugar in it, iodine molecules get embedded in the amylose making a triodide complex which is blue. The A test tube has glucose in it which shows no change in colour as starch in not present in it

Answer 2

Answer:

blue black

Explanation:

it is the color we get when starch and iodine react chemically

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