Question

what is pricipitation reaction? write one example of this reaction?​

Answer 1

Answer:

Any reaction in which an insoluble liquid is formed that suddenly separate from the solution is called precipitation reaction.

The reaction between silver nitrate solution and sodium chloride solution to form silver chloride is example of precipitation reaction.

AgNO3(aq) + Nacl(aq) ---------- Agcl(s) + NaNo3(aq)

Answer 2

Answer:

Any reaction that produces a precipitate(insoluble substance) can be called a precipitatation reaction.

:Reaction of sodium sulphate with barium chloride. In this reaction white precipitate of barium sulphate is formed which is insoluble.

Na2SO4(aq)+BaCl2(aq)-------->BaSO4(s)+2NaCl(aq)