ACB Raid | ACB Trap | Red-handed | CBI Raid | CBI Trap | Phenolphthalein Test | ACB Pink Bottle
Phenolphthalein test is used to trap bribe taker by ACB or CBI officer. Phenolphthalein powder is a white powder. It is colorless in neutral and acidic medium, but pink in color in alkaline or basic medium. ACB catches the bribetaker red-handed by using currency notes treated with the phenolphthalein powder
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