Notes and Study material for Exams
The Fiery Menace: Understanding Wildfires Wildfires, once a natural part of many ecosystems, have become an increasingly destructive force in recent decades. Driven by a complex interplay of climate change, human activity, and natural factors, these fiery events pose a significant threat to human lives, property, and the environment. This article delves into the multifaceted … Read more
The Rise and Fall of Chlorofluorocarbons: A Story of Environmental Triumph and Ongoing Challenges Chlorofluorocarbons (CFCs) are a group of synthetic organic compounds that were once widely used in various applications, from refrigerants and aerosols to foam blowing agents and cleaning solvents. Their seemingly miraculous properties â non-flammability, chemical stability, and low toxicity â made … Read more
Sulfur Hexafluoride: A Powerful Greenhouse Gas with a Complex Legacy Sulfur hexafluoride (SF6), a colorless, odorless, and non-flammable gas, has found widespread applications in various industries due to its unique properties. However, its remarkable stability, which makes it ideal for certain applications, also poses a significant environmental challenge. SF6 is an extremely potent greenhouse gas, … Read more
Combustion and Incineration: A Comprehensive Overview Combustion and incineration are two closely related processes that involve the rapid chemical reaction between a substance and an oxidant, typically oxygen, producing heat and light. While both processes involve burning, they differ in their applications, objectives, and environmental implications. This article delves into the intricacies of combustion and … Read more
Combustion/Incineration Combustion is a chemical reaction that occurs between a fuel and an oxidizer, releasing heat and light. The most common type of combustion is the burning of fossil fuels, such as coal, oil, and natural gas. Combustion is also used in many industrial processes, such as the production of electricity and the manufacture of … Read more
The Makaravilakku: A Beacon of Faith and Tradition The Makaravilakku, a celestial spectacle that illuminates the skies above the Sabarimala Ayyappan Temple in Kerala, India, is much more than just a natural phenomenon. It is a deeply ingrained part of the cultural and religious fabric of the region, drawing millions of devotees to the temple … Read more
Exploring the Paleolithic Period (Old Stone Age): A Journey Through Time The Paleolithic Period, often referred to as the Old Stone Age, encompasses a vast expanse of human history, spanning from approximately 2.6 million years ago to 10,000 BCE. This era witnessed the emergence of our earliest ancestors, the development of rudimentary tools, and the … Read more