Question

What is precipitation reactions?Plz explain with some examples.

Answer 1

In this reaction solid product which separated out from the solution during the chemical reaction.

Answer 2

in precipitation reactions, aqueous solution of two salts are mixed together where by sme salt precipitate due to mutul exchange of ions between the two salts.for example,
AgNO3(aq) + NaCl(aq) ------ AgCl(s) + NaNO3(aq)

here AgCl is white ppt.