Building Science concepts through real experiences.
Burning Cotton smells like Burning Paper, whereas burning wool smells like burning hair. Why? Ans. Cotton and paper, both are plant products and they both contain an organic compound named ‘Cellulose’. So while burning cotton and paper, when this cellulose is burnt it gives out a similar characteristic smell. Hence…
If LPG is an odourless gas, then how do we detect a gas #leakage? Ans. This is not done by adding rotten cabbage or eggs !! Instead it is done by adding a chemical odourant named Ethyl Mercaptan to the LPG Gas. Ethyl Mercaptan, a sulfur compound is a clear…
Soap molecules consist of a hydrophilic (“water-loving”) end and a hydrophobic (“water-fearing”) end. Water molecules are polar molecules that can dissolve other polar molecules. Fat (and oil) molecules are nonpolar molecules, so they cannot dissolve in water. Milk is a mixture of water, fat, vitamins and minerals. When soap is…