in the chart. Laundry detergent turns the indicator a greenish-blue color. 3. Discuss student observations. Remind students that a red cabbage indicator turns pink when acids are added to it and green ...

An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...

Neutralisation is the reaction of an acid with a base that results in the pH moving towards 7. It is a useful process that occurs in everyday life such as in the treatment of acid indigestion and ...

Figure caption, Colour chart of universal indicator colours ... In chemistry a salt is any compound formed by the neutralisation of an acid by a base or an alkali. It does not just refer to ...

Hidden within the genetic code lies the "triplet code," a series of three nucleotides that determine a single amino acid. How did scientists ... two or three different bases.