alleryStart learning →A student drops iodine on a potato slice and it turns blue black. The slice has:
AStarch
BFibre
CWater
DFats
Answer & Solution
Correct answer: A. Starch
1. Iodine gives a blue black colour only with starch.
2. The potato slice showed that colour.
3. So the slice contains starch.
_Source: syllabus Science Class VI, Chapter 2, Components of Food._
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