Chemistry in Everyday Life

Brown ring is formed due to nitrosoferrous sulphate formation.

Histamine is the chemical which stimulates the secretion of pepsin in stomach.

In thin layer chromatography, the spots of colourless compounds, which are invisible to eyes can be detected by putting the plate under UV light.

Another detection technique is to place the plate in a covered jar containing I₂ (s). Sometimes an appropriate reagent may also be sprayed on the plate, ninhydrin in case of amino acids.

DDT, organophosphates and dieldrin are pesticides.

Antiseptic Dettol is mixture of chloroxylenol and terpineol

This is the general structure of penicillin drug which is used as antibiotic drugs.

Laundry soap contains fillers like sodium rosinate, sodium silicate, borax and sodium carbonate

Kindly consider the following Image 

(1) Cimetidine $\mathrm{E}=\mathrm{P}\mathrm{h}-\mathrm{C}\mathrm{H}-{\mathrm{C}\mathrm{H}}_3$ ${}_{}$ Antacid

(2) Iproniazid ${\mathrm{C}\mathrm{H}}_3$ ${}_{}$ Antidepressant

(3) Penicillin $\to$ $$ Antibiotic

(4) Terfenadine $\to$ $$ Antihistamines