slusshh1989 slusshh1989

13-01-2018
Biology

contestada

Which of the tubes to the right is a positive test for starch and which is a negative?

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Kalahira Kalahira

26-01-2018

Corn starch was used for the positive control and distilled water was used for the negative control. Compare your tube to the following image of the positive and negative controls.

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