Question

What do you mean by a precipitation reaction? Give example.

Answer 1

The reaction in which precipitate(insoluble substance) is formed is known as Percipitation reaction
Eg. Lead nitrate + Potassium iodide-----lead iodide(yellow percipitate) + potassium nitrate
HOPE IT HELPS

Answer 2

heyy shivam!

here is the answer!:)
Those reactions in which aqueous solutions of two compounds on mixing to react to form an insoluble compound which seperates out as a solid (called precipitate) or such an insoluble compound is formed when a gas is passed through the solution of the compound are callled precipitation reactions.

#Na₂CO₃(s)   ₊   2HCl(aq)       →      2 NaCl (aq)  +    H₂O(l)    +      CO₂(g)
sodium               hydrochloric             sodium             water             carbon
carbonate           acid                         chloride                                 dioxide



hope it helps u dear!:)