Chemistry and its importance for technology of Industry, Importance of metals in human life, industrial extraction of metals, alloys: Properties and uses. Preparation of important inorganic compounds (sodium hydroxide, chlorine, hydrogen, acids, glass., cement). Chemical fertilizers: nitrogen and phosphate, preparation and uses, herbicides: types, advantages and limitations. Petroleum as important energy source, its derivatives and refinery, polymers and plastics, paints, dyes and detergents. Chemistry and human health, drugs and medicines, anti-acids, antibiotics, heart-diseases drugs and anti cancer drugs.