Question

What is meant by precipitation reactions? Explain giving examples.

Answer 1

When two solutions containing soluble salts are mixed it produces insoluble salt as precipitate called precipitation reaction.
Ex.,
$$\begin{gathered} BaC{l}_2+N{a}_{2}S{O}_4\to BaS{O}_4+2NaCl \\ HereBaS{O}_{4_{}}isformedasaprecipitate. \end{gathered}$$