Question

please answer this question please please please ​

Answer 1

Answer:

test tube A has no changes

Explanation:

since saliva contains amylase that digests starch. and potato is a source of starch, so if u mix potato that is starch and saliva that contains amylase is breaks down the potato because its and starch and that's what amylase does in the mouth. it will not have any colour changes in test tube A when iodine is present.

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