Universal indicator is used as pH indicator with wide range from 4-14. Universal indicator is used to determined acidity or alkalinity of various substances.
Universal indicator is used as pH indicator with wide range from 4-14. It is used determine pH of various solutions, substances. The colour is used to indicate pH directly. Universal indicator is used to determined acidity or alkalinity of various substances such as soil, sewage, sludge, food etc. solutions and liquids such as water, waste water, etc. Universal indicator used more than other indicators because it has a wide range of results.