Lesson 5 of 7

Making a salt

Goal: Describe how to make a salt and work out its name.

Puzzles for this lesson

Word search0 of 8 foundCrossword0 of 41 letters

Neutralisation makes a salt dissolved in water. Evaporate the water and you get crystals.

Add alkali to the acid until it is neutral.
Pour the solution into an evaporating basin.
Heat it gently to evaporate some of the water.
Leave it to cool. Crystals of salt form.

The salt gets its name from the acid.

Hydrochloric acidmakes a chloride
Sulfuric acidmakes a sulfate
Nitric acidmakes a nitrate

hydrochloric acid + sodium hydroxide → sodium chloride + water

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Key words in this lesson

Acid Has a pH below 7

Alkali Has a pH above 7

Neutral pH 7, neither acid nor alkali

Neutralisation An acid and an alkali cancelling out

Salt Made when an acid is neutralised

Crystals Solid salt left after evaporation

Sodium chloride Common table salt

For teachers: AQA 3.6.2 · Pearson Edexcel 24.4, 24.6 · Cambridge 9Cc.03 in part