video english naration about oil
OIL oil is any neutral, nonpolar chemical substance that is a viscous liquid at ambient temperatures and is both hydrophobic (immiscible with water, literally ' water fearing') and lipophilic (miscible with other oils, literally 'fat loving'). oils have a high carbon and hydrogen content and are usually flammable and surface active. the general definition of oil includes classes of chemical compounds that may be other wise unrelated in structur, properties,and uses. Organic oils Organic oils are produced in remarkable diversity by plants, animals, and other organisms through natural metabolic processes. Lipid is the scientific term for the fatty acids , steroids and similar chemicals often found in the oils produced by living things, while oil refers to an overall mixture of chemicals. Organic oils may also contain chemicals other than lipids, including proteins , waxes (class of compounds with oil-like properties that are solid at common temperatures) a...
