GCSE OCR C5 - Precipitation Reactions

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A precipitation reaction is when two solutions react to make an insoluble substance.

The insoluble substance is known as a precipitate. 

Precipitate reactions involve ions, so for the ions to collide the solutions must be liquid or molten.


  • Barium Chloride + Sodium Sulfate -> Barium Sulfate + Sodium Chloride (aq)

Barium Sulfate is the precipitate. 

Sodium Chloride is in solution. 

You can tell its a precipitate reaction…


? Secret - Team GR

thnx !

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