Iodine is used to detect the presence of starch produce in photosynthesis .This works when?
A.its brown color has not changed
B.its brown color turn into dark blue
C.its brown color become colorless
D. its brown color become yellow
A.its brown color has not changed
B.its brown color turn into dark blue
C.its brown color become colorless
D. its brown color become yellow
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Answer:
a.its brown color has not chaged