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Soaps and Detergents

The term detergent (L., detergent = to wipe clean) is rather a general one and is used to denote any cleansing agant. This broad defination including soaps as well. However according to present- day popular terminology, the word  Detergent generally refers to synthetic detergents, also ca…

Flash Point

Kerosene oil is used in lamps for illumination purpose. The burning oil should not be sufficiently volatile at ordinary temperatures, otherwise it's vapour would form explosive mixture with air and thus making its use lamps a source of danger. Just a lighted match- strike or a smoul…

Petroleum and petrochemical

Petroleum is a complex of hydrocarbons, mostly alkanes and cycloalkanes. It occurs deep below earth's crust entrapped under rocky strata. It is taken out by drilling wells. The natural oil thus derived is a viscous black liquid. In its taken out by drilling wells Petroleum ( Latin, …

Structure of proteins

Proteins have defined three-dimensional structure.   There are a number of factors which determine the exact shape of a protein. These are a number of factors which determine  the exact shape of a protein. There are consider in terms of four levels of structural organisation called the pr…

Manufacture of 'Vanaspati' or 'Vegetable ghee'

Margarine, a substitute for butter, is manufactured in U.S.A, UK and other European countries in large quantities by the hydrogenation of vegetable oils and soft fats (Norman, 1902). And India 'Vanaspati' or 'Vegetable ghee' was first introduced after the first Word War …