ChemistrySugar Refining Process Prime purpose of this lecture is to present on Sugar Refining Process in mills. In tropical regions where sugar cane is grown, sugar cane is partially refined…
ChemistryLecture on Noble Gases Basic objective of this lecture is to present Noble Gases. Group 18 elements are called the noble gases. This is because they rarely combine with other elements…
ChemistryRates of Reactions and Enzymes General objective of this lecture is to present on Rates of Reactions and Enzymes. Enzymes are biological catalysts. They help the reactions that occur in…
ChemistryStructure and Properties of Polymers Polymer is a long molecule made up from lots of small molecules called monomers. This lecture briefly present on structure and properties of Polymers. This lecture…
ChemistryPlastic Recycling About 7% of all household waste is plastic. Annually, 3 million tonnes of plastic rubbish are produced. 57% of litter found on beaches is plastic. In 2001 only…
ChemistryElements, atoms, ions, and the periodic table Prime purpose of this lecture is to present on Elements, atoms, ions, and the periodic table. Electrons are involved in bond formation when compounds are formed. So…
ChemistryPeriodic Table of the Elements This lecture briefly focus all Periodic Table of the Elements. The periodic table we use today is based on the one devised and published by Dmitri…
ChemistryFamilies of Periodic Table Basic purpose of this lecture is to present on Families on the Periodic Table. Families may be one column, or several columns put together. Columns are also grouped…
ChemistryThe Periodic Table In 1869 the Russian chemist Dmitri Mendeleev and the German chemist J. Lothar Meyer, working independently, found that when the elements were arranged in order…
ChemistryOrganic Compounds of Life General purpose of this lecture is to present on Organic Compounds of Life. Living organisms have to be able to: Exchange matter and energy with their surroundings…
ChemistryPetroleum Petroleum is a mixture of alkanes, cycloalkanes, and aromatic hydrocarbons. Major objective of this lecture is to present on Petroleum. Petroleum is formed from the slow decomposition of…
ChemistryHydrocarbon Derivatives Hydrocarbon derivatives are formed when one or more hydrogen atoms is replaced by an element or a group of elements other than hydrogen. General purpose…