Universal Indicator
A Universal Indicator is a pH indicator that changes color based on the acidity or alkalinity of a solution. It is a mixture of several different indicators, allowing it to provide a range of colors that correspond to different pH levels, typically from 0 to 14. This makes it useful for determining the pH of various substances in chemistry and biology.
When a solution is tested with a Universal Indicator, it can show colors like red for strong acids, green for neutral solutions, and blue or purple for strong bases. This tool is commonly used in laboratories, educational settings, and even in household products to assess pH levels effectively.