Some of the most important chemical are produced industrial by means of reaction that occur on the surfaces of solid catalyts. Surface chemistry deals with phenomenon that occur at the surfaces or interfaces. The interface or surface is represented by separating the bulk phase by a hyph…

Fats and oils belong to the group of naturally occurring compounds called Lipids (Greek, lipid=fat). Lipids are those consituents of animals and plants which are soluble in organic solvents such as either, chloroform of animals and plants which are soluble in organic solvents such as et…

" The Periodic Table is arguably the most important concept in chemistry both in principle and in practice. It is the everyday supported for students, it suggests new avenues of research to  professionals and it provides a succinct organization of the whole of chemistry. It is a rema…

One of the most important uses of cellulose is for the manufacturer of paper. The cellulose used is obtained from wood, cotton rags, waste paper, cereal straws, and similar modern method of making paper consists of the following steps. Preparation of Wood Pulp; Preparation of Paper. Pre…

If an evacuated container is partially filled with a liquid, a portion of liquid evaporates to fill the remaining volume of the container with vapour. Initially the liquid evaporates and pressure exerted by vapours on the walls of the container (vapour pressure) increases. After some ti…