If universal indicator is added to a solution it changes to a colour that shows the pH of the solution. Universal indicator is a mixture of a variety of other indicators and can be used to measure ...

Discover how red cabbage can act as a natural pH indicator, revealing whether substances are acids or bases through beautiful color changes. pH is a measure that tells us how acidic or basic a ...

The pH scale measures how strongly acidic or alkaline a solution is using a set of values from pH 0 to pH 14. When pure water is dropped into a solution of universal indicator, the indicator stays ...