Question

when aqueous solution of BaCl2and Na2so4 are mixed in a tube a white precipitate is​

Answer 1

Answer:

sodium chloride is formed

Answer 2

$\huge\mathfrak{Answer}$

when aqueous solution of barium chloride and sodium sulphate are mixed in a tube a white pericipitate of Barium Sulphate is formed (BaSO4)

$\huge\sf\underline{solution:}$

It is a type of Double Displacement reaction in which their is exchange of ion between barium chloride and sodium sulphate is take place and barium sulphate is formed as white precipitate as well as sodium sulphate is formed.

It is also known as precipitation reaction because of the formation of insoluble precipitate.