Salts, Crystals and Their Uses in Daily Life (1)

Definition of salt

An ionic compound formed when the hydrogen ion from the acid is replaced with the metal ion or the ammonium ion

One of the physical properties of salt crystal

Has flat surface, straight sides and sharp vertices

One of the physical properties of salt crystal

Has a fixed angle between two adjacent surfaces

The uses of iron(II) sulphate

Used in pesticides to kill pests and grass

The uses of calcium sulphate

As plaster of Paris to support broken bones

Process to produce salts

Salt can be produced from the neutralisation reaction between acid and alkali (base)

Salts

Is an ionic compound formed when the hydrogen ion, H+ from the acid is replaced with the metal ion or the ammonium ion, NH4+

Reaction to produce salts (1)

Reaction between acid and alkali

Reaction to produce salts (2)

Reaction between acid and reactive metals

Reaction to produce salts (3)

Reaction between acid and metal carbonate