The concept of the pH scale was introduced in 1909 by the Danish biochemist S.P.L. Sørensen to quantify the acidity or alkalinity of a solution. The term "pH"...
While standard chemical indicators like litmus paper, phenolphthalein, and methyl orange can determine whether a solution is acidic or basic, they fail to quantify the strength or degree...
In analytical chemistry, an acid-base indicator is a chemical substance that undergoes a distinct, visible change—usually in color or odor—when exposed to varying concentrations of hydrogen ions ($H^+$)...
In chemical classification, a salt is an ionic compound formed by the neutralization reaction between an acid and a base. Salts consist of a positively charged ion (cation,...
In chemical classification, bases are substances that exhibit characteristics opposite to those of acids. Under the Arrhenius theory, a base is a chemical species that increases the concentration...
In chemical terminology, substances are classified based on their ionic behavior in aqueous solutions. Under the Arrhenius definition, an acid is a substance that dissociates in water to...
The International Energy Agency (IEA) projects that global electric vehicle (EV) sales will reach 23 million units by 2026, making up 28% of total new car sales worldwide....
A global study published in May 2026 in the journal One Earth reveals that food and beverage-related plastics dominate marine litter across 112 countries, representing 86% of the...
The 79th World Health Assembly, convened in Geneva, Switzerland, adopted the updated Global Action Plan on Antimicrobial Resistance (GAP-AMR) spanning 2026–2036. This updated ten-year roadmap responds to the...
The Assam government introduced the Uniform Civil Code (UCC) Assam Bill, 2026, in the state Legislative Assembly to establish a unified legal framework for marriage, divorce, succession, and...
