Question

precipitation reaction​

Answer 1

DEFINITION:

A chemical reaction in which a precipitate is formed. it ia called precipitation reaction. it is also known as double displacement reaction as a group of atom displaces another group of atom

Explanation:

EXAMPLE:

Na2SO4+BaCl2= BaSO4 + 2NaCl2.

here BaSO4 is precipitate

Answer 2

A reaction in which an insoluble solid called precipitate is formed that separates from the solution is called a precipitation reaction .

Example :- When a solution of iron (III)

chloride and ammonium hydroxide are

mixed , a brown precipitate of iron (III)

hydroxide is formed .