The pH scale is used to measure acidity and alkalinity. When an acid is neutralised, it forms a salt. Making salts Acids react with metals, bases and carbonates to produce salts. Neutralisation is ...

This is measured using the pH scale, which runs from pH 0 to pH 14 ... is any compound formed by the neutralisation of an acid by a base or an alkali. It does not just refer to table salt.

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 ...