Post Views: 2 DEFINITION AND CONCEPT Electromagnetic waves are produced by electromagnetic vibrations. Electromagnetic waves have electrical origin and the ability to travel in vacuum. So, electromagnetic waves are regarded… Read More »ELECTROMAGNETIC WAVES
Post Views: 0 UNSATURATED HYDROCARBONS These are hydrocarbons in which carbon atoms join with each other by multiple bonds. The multiple bond can be double bonds e.g Alkene or triple… Read More »Unsaturated Hydrocarbons – Alkenes
Post Views: 7,139 SOURCE DOCUMENTS AND THEIR USES A source document is the original record of transaction.it states the basic facts of the transaction such as its date, purpose (description… Read More »SOURCE DOCUMENTS AND THEIR USES
Post Views: 624 OXYGEN (O2) PROPERTIES AND USES Oxygen (O2) is an active, life-sustaining component of the atmosphere; making up 20% by volume of the air we breathe. It is… Read More »OXYGEN (O2) PROPERTIES AND USES