Question

How will you detect the traces of poison present in the stomach wash of a person?

Answer 1

1. Chromatography: It is a method based on the difference in the rate of adsorption of various components of a mixture on a suitable adsorbent.
2. Adsorption is the process of the accumulation of substances on the surface of a solid medium.
3. The principle of paper chromatography is based on the continuous differential partitioning of components of a mixture between the stationary and mobile phases.
4. Mobile phase is made to run on the stationary phase. Mobile phase contains various components dissolved in a suitable solvent.
5. Various components can be identified by measuring their flow rate.
6. Chromatography is a technique for detecting the presence of toxic remnants in a person's stomach wash.