Notes and Study material for Exams
Industry IN Tamil NADU Introduction: The Industrial Sector is a driver of economic Growth. Industrial sector is important in terms of its contribution to Gross State Domestic Product (GSDP) and EMPLOYMENT. This sector which is vital in stimulating growth of the economy is closely interconnected with primary and tertiary sectors through its forward … Read more
First World War Background It was a result of growing inter-imperialist rivalries, growing chauvinism, antagonism and conflicts within Europe, formation of alliances and secret pacts, growing militarization, feverish preparations for war, were some of the marked features that harbingered war. There had been a number of crises which were temporarily resolved, but led to deep … Read more
Preparation of Oxygen Oxygen Oxygen is prepared in lab generally in two ways either by the application of heat or no application of heat. Using heat: Oxygen in lab is prepared by heating the mixture of powdered potassium chlorate and manganese dioxide in the ratio 4:1 in a hard glass test tube. The oxygen gas … Read more
Corrosion is defined as an attack on a material as a result of chemical, frequently electrochemical reaction, with the surrounding medium. According to this definition, the term corrosion can be applied to all materials, including non-metals. But in practice, the word corrosion is mainly used in Conjunction with metallic materials. Why do metals corrode? Apart … Read more
The State of Jharkhand: Environmental Concerns The word Jharkhand connotes an area of land covered with forests. The word Jharkhand has been derived from the Sanskrit word, Jhari Khanda the ancient name depicting the regions’ dense forest. Thus, naturally as well as symbolically, the states’ very existence is associated with forests. Another remarkable aspect … Read more
Properties of polythylene Polyethylene is a thermoplastic polymer with variable crystalline structure and an extremely large range of applications depending on the particular type. It is one of the most widely produced plastics in the world (tens of millions of tons are produced worldwide each year). The commercial process (the Ziegler-Natta catalysts) that made PE … Read more
The Rate of a Chemical Reaction The rate of a chemical reaction can be defined as the amount of the reaction which occurs in unit time. The rate of a reaction is measured by choosing certain properties of the reaction which will indicate how far the reaction has gone, and whose magnitude can be observed … Read more
Properties of teflon Polytetrafluoroethylene or PTFE (more commonly known as Teflon) is a particularly versatile ivory-white and opaque plastic fluoropolymer; it is made by the free-radical polymerisation of many tetrafluoroethene Molecules, and is suitable for a wide range of applications in industries as diverse as aerospace, the food and drink Industry, pharmaceuticals and telecoms. Produced by … Read more
The Rate of a Chemical Reaction The rate of a chemical reaction can be defined as the amount of the reaction which occurs in unit time. The rate of a reaction is measured by choosing certain properties of the reaction which will indicate how far the reaction has gone, and whose magnitude can be observed … Read more
The history of disasters in Karnataka reveals that a series of various types of disasters that have struck the State over the years with devastating effects. Years 2005 and 2006 have seen devastating floods in the Districts of Gulbarga, Belgaum, Bijapur, Bidar, Bagalkot, Raichur etc., as a result of outflow of excess water from … Read more