A neutralisation reaction is one in which an acid reacts with a base to form water. A salt is also formed in this reaction. Bases are metal oxides, metal hydroxides and metal carbonates.

Alkalis react with oils and fats ... 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 table salt.

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 ...