Acids, bases and salts
pH scale and indicators
Many chemicals can be classified as being acidic, neutral or alkaline by using indicators. 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 the reaction between an acid and a base.
Titration and calculations
Titration is a method used to prepare salts if the reactants are soluble. Concentration and volumes of reactants can be calculated from titrations.
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