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 ...

Students will be able to explain that if two substances cause turn a pH indicator different colors, they must be different substances. Students will be able to explain that the color that a substance ...

Anthocyanins are in almost all fruits and vegetables and can act as pH indicators. We put them to the test in our latest baking experiment ...

A second method which is simple and easy but less accurate then using a pH meter, consists of using certain indicators or dyes. Many dyes change color with an increase or decrease of pH making it ...

pH is measured using potentiometric methods or pH indicators such as indicator solutions or strips (litmus paper). The pH meter consists of a reference electrode and a pH electrode, and the ...

Credit growth trend in the Philippines has changed for the better, becoming the country with the most optimistic position among four of its peers in the Association of Southeast Asian Nations ...

At the Science Kitchen at Leicester University, UK, a demonstration is under way of a class of coloured pigments in blueberries called anthocyanins. Josh Smalley, a finalist on The Great British Bake ...