Election ink or indelible ink which is applied to fingers of voters during elections to prevent double voting contains which among the following chemicals which make it stain the skin impossible to wash off?
[A]Cellulose acetate
[B]Sodium iodide
[C]Potassium permanganate
[D]Silver nitrate
[A]Cellulose acetate
[B]Sodium iodide
[C]Potassium permanganate
[D]Silver nitrate
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