date:Sep 07, 2012
ll flow slowly, leaving a white trail in its wake, whereas milk that's been adulterated with water will flow immediately without leaving a mark.
Other adulterants in milk
Starch
A few drops of iodine tincture or solution are added to the milk. If its turns blue, starch is present in it.
Urea
A teaspoon of milk is put in a test tube, and half-a-teaspoon of soybean or arhar powder is added to it. The contents are mixed by shaking the test tube well. After about five minutes, a red litmus paper