Question

what do you mean by precipitation reaction ? Explain by giving examples.​

Answer 1

A precipitation reaction is defined as a chemical reaction in which two aqueous solutions on chemically combining with each other results into the formation of a solid insoluble substance known as precipitate. For example, In this reaction, AgCl is the precipitate that is formed.

Answer 2

$<v> A reaction in which an insoluble solid (called precipitate) is formed is called a precipitation reaction.For Example:</p><p>Na2CO3 (aq) + CaCl2 (aq) → CaCO3 (s) + 2NaCl (aq)</p><p>Sodium Carbonate + Calcium Chloride → Calcium Carbonate + Sodium Chloride</p><p>In this reaction, calcium carbonate is obtained as a precipitate. Hence, it is a precipitation reaction.$