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UPI stands for Unified Payments Interface. What is UPI? UPI is a payment system developed by the National Payments Corporation of India (NPCI) that allows users to make instant and secure money transfers between bank accounts using smartphones. How does it work? UPI works by linking a user’s bank account to a mobile application, which…

Definition of Acids and Bases In chemistry, acids and bases are substances that react with each other to form a salt. Acids are defined as substances that donate hydrogen ions (H+) to other substances, while bases are defined as substances that accept hydrogen ions from other substances. Theories of Acids and Bases There are three…