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Salts, Crystals and Their Uses in Daily Life

 
6.8 Salts, Crystals and Their Uses in Daily Life
 
Definition of Salt
An ionic compound formed when the hydrogen ion, \(H^+\)  from the acid, is replaced with the metal ion or the ammonium ion, \(NH_4\,^+\)
 
Reactions to Produce Salts
  • Reaction between acid and alkali
  • Reaction between acid and reactive metals
  • Reaction between acid and metal carbonate
  • Reaction between acid and aqueous ammonia
 
This image is an infographic titled ‘PHYSICAL PROPERTIES OF SALTS.’ It features a central icon of a light bulb with a checkmark inside, surrounded by five numbered points arranged in a circular manner. Each point describes a different physical property of salts: 1. Has flat surface, straight sides and sharp vertices. 2. Has a fixed angle between two adjacent surfaces. 3. Has a fixed geometrical shape such as cube, cuboid, rhombus and so on. 4. Different crystals have different geometrical shapes. 5. Same crystals of different sizes still have the same geometrical shapes. The background is white, and the text is in blue, with the Pandai logo in the top left corner.
 
Properties of Crystal
A crystal has specific properties because the particles in the crystal are arranged in a compact and orderly manner according to a specific design arrangement.
 
Example of Salts and their Uses
Agriculture
Ammonium nitrate Fertiliser
Iron(II) sulphate Pesticide
Medicine
Calcium sulphate Plaster of Paris- to support broken bones
Potassium manganate(VII) Antiseptik untuk mengubat luka
Food
Sodium chloride Food flavouring
Sodium bicarbonate Raising dough
Preservation
Sodium benzoate Preserve chilli sauce
Sodium nitrate Preserve processed meat (sausage)
 

 

 

 

 

 

 

The views expressed in the notes here are those of the contributor and don’t necessarily represent the views of pandai.

Salts, Crystals and Their Uses in Daily Life

 
6.8 Salts, Crystals and Their Uses in Daily Life
 
Definition of Salt
An ionic compound formed when the hydrogen ion, \(H^+\)  from the acid, is replaced with the metal ion or the ammonium ion, \(NH_4\,^+\)
 
Reactions to Produce Salts
  • Reaction between acid and alkali
  • Reaction between acid and reactive metals
  • Reaction between acid and metal carbonate
  • Reaction between acid and aqueous ammonia
 
This image is an infographic titled ‘PHYSICAL PROPERTIES OF SALTS.’ It features a central icon of a light bulb with a checkmark inside, surrounded by five numbered points arranged in a circular manner. Each point describes a different physical property of salts: 1. Has flat surface, straight sides and sharp vertices. 2. Has a fixed angle between two adjacent surfaces. 3. Has a fixed geometrical shape such as cube, cuboid, rhombus and so on. 4. Different crystals have different geometrical shapes. 5. Same crystals of different sizes still have the same geometrical shapes. The background is white, and the text is in blue, with the Pandai logo in the top left corner.
 
Properties of Crystal
A crystal has specific properties because the particles in the crystal are arranged in a compact and orderly manner according to a specific design arrangement.
 
Example of Salts and their Uses
Agriculture
Ammonium nitrate Fertiliser
Iron(II) sulphate Pesticide
Medicine
Calcium sulphate Plaster of Paris- to support broken bones
Potassium manganate(VII) Antiseptik untuk mengubat luka
Food
Sodium chloride Food flavouring
Sodium bicarbonate Raising dough
Preservation
Sodium benzoate Preserve chilli sauce
Sodium nitrate Preserve processed meat (sausage)
 

 

 

 

 

 

 

The views expressed in the notes here are those of the contributor and don’t necessarily represent the views of pandai.
Chapter : Acids, Bases and Salts
Topic : Give examples of salt and its uses in daily life
Form 4 Chemistry
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