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Salts. By Amy Badger. Acid + Metal = Salt + Hydrogen. For example Sulphuric acid + Potassium hydroxide = Potassium sulphate + Hydrogen. Acid+ Base = Salt + Water. For example Nitric acid + Potassium oxide = Potassium nitrate + water. Acid + Alkali = Salt + Water. For example

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salts

Salts

By Amy Badger

acid metal salt hydrogen
Acid + Metal = Salt + Hydrogen

For example

Sulphuric acid + Potassium hydroxide

=

Potassium sulphate + Hydrogen

acid base salt water
Acid+ Base = Salt + Water

For example

Nitric acid + Potassium oxide

=

Potassium nitrate + water

acid alkali salt water
Acid + Alkali = Salt + Water

For example

Hydrochloric acid + Potassium hydroxide

=

Potassium sulphate + Water

acid carbonate salt water carbon dioxide
Acid + Carbonate = Salt + Water + Carbon Dioxide

For example

Sulphuric acid + Potassium carbonate

=

Potassium sulphate + Water + Carbon Dioxide

precipitation
Precipitation
  • Precipitation is when you make insoluble salts by reacting two soluble salts. The salt is formed as a solid. This reaction is useful when we want to remove metal ions from polluted ions.
  • For example:

Lead nitrate + sodium chloride

=

Lead chloride+ sodium nitrate

solubility of salts
Solubility of salts
  • All sodium, potassium and ammonium salts are soluble in water.
  • All nitrates are soluble in water.
  • All sulphates are soluble in water except: lead, barium and calcium sulphate.
  • All chlorides are soluble In water except silver and lead chloride.
  • All carbonates are insoluble in water except sodium, potassium and ammonium carbonate.
questions
Questions
  • An acid plus a base equals what?
  • How do you make a salt, water and carbon dioxide?
  • Precipitation is when you make insoluble salts by reacting what?
  • Are nitrates soluble?
  • Is Lead sulphate soluble?
answers
Answers
  • Salt + Water
  • Acid + Carbonate
  • Two soluble salts
  • Yes
  • No