Salts (C8)

• what is salt?

  an ionic compound chemically defined as the neutral product formed as a result of a reaction between acid and alkali
• examples of uses of salts (3 marks)


  agriculture ; sulphate are used as pesticides to kill insects

  medical treatment ; calcium sulphate is used as plaster to support broken bones

  industry ; silver bromide is used to make films and photographic paper
• process of action of acids on insoluble bases


  1 - warm dilute sulfuric acid in a beaker, add copper oxide n stir until there’s excess copper oxide

  2 - filter contents in the beaker to remove excess n collect the filtrate

  3 - heat filtrate in evaporating dish

  4 - allow saturated copper sulfate solution to cool down to crystallise, dry crystals on filter paper
• process of action of acids on metals


  same thing with insoluble bases except it’s metal lol