Basic chemistry

Shocking New CBSE Rules for Class 10 in 2026 That Every Student Must Know Introduction: A New Era for Board Exams For generations, the Class 10 board exam has been a high-stakes, single-shot event that defined a student's academic future. The stress, the pressure, and the focus on rote memorization have been a rite of passage. But for the batch of students appearing in 2026, the entire rulebook is changing. Driven by the National Education Policy (NEP) 2020, the Central Board of Secondary Education (CBSE) has rolled out a series of transformative reforms that are both surprising and deeply impactful. These aren't just minor adjustments; they represent a fundamental shift in how learning, application, and success. 1. The "Two-Shot" Final Exam: Your Best Score Is Now the Only One That Counts The most talked-about reform, rooted in the NEP 2020's goal of reducing student stress, is the introduction of a biannual board exam system. This new structure is designed to gi...

Surprising Reasons Sulphuric Acid is Called the 'King of Chemicals ' Look around you. The screen you're reading this on, the food you'll eat for lunch, the vehicle that gets you home—all depend on a vast, invisible network of industrial chemistry. At the center of this web sits one undisputed monarch, a compound so vital it has been crowned the "King of Chemicals." That chemical is Sulphuric Acid (H₂SO₄). While its name might evoke images of a high-security laboratory, its impact is felt in nearly every aspect of our daily lives. Its influence is far wider and more surprising than most people realize, forming the backbone of global manufacturing, agriculture, and economic development. Here are four of the most impactful reasons why sulphuric acid has earned its formidable reputation and why its reign is absolute in the modern world. 1. Its Production Volume Is a Measure of Economic Health Here is where sulphuric acid's influence transcends the laboratory a...

 5 Counter-Intuitive Truths About Hydrocarbons , Revealed by Top Exam Questions Introduction: Beyond the Basics Hydrocarbons, compounds of only carbon and hydrogen, are often the first topic students encounter in organic chemistry. Their simple composition can make them seem straightforward, but this apparent simplicity hides a deep and fascinating complexity. By analyzing challenging questions from the highly competitive JEE Main exam, we can uncover surprising principles that go against our initial intuition. These problems are designed to probe the limits of our understanding, revealing the elegant rules that govern even the most fundamental molecules. This post will distill five of the most impactful and counter-intuitive truths about hydrocarbons, using insights drawn directly from top-tier exam questions. -------------------------------------------------------------------------------- 1. Why a "Super-Activated" Ring Snubs the Famous Friedel-Crafts Reaction T...