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28 December, 10:30

Why is it necessary to wait 10 minutes before adding iki solution to the test tubes?

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  1. 28 December, 12:56
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    The investigation was carried out to explore the effect of amylase on the starch that is present in a substance. The IKI solution reacts with starch to give a dark blue color.

    We wait 10 minutes before adding the IKI solution to give the amylase sufficient time to act on the starch present, so that a false negative for the presence of starch is not obtained.
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