4.2.3 Soluble Salts

• What 4 solid insoluble substances can acids react with to produce a soluble salt?

  Metals, metal oxides, metal hydroxides, and metal carbonates.
• What process is carried out on salt solutions to produce solid salts?

  Crystallisation.
• How is a soluble salt formed?

  The solid is added to the acid until no more reacts and the excess solid is filtered off to produce a solution of the salt.