In a double displacement reaction such as reaction b/w sodium sulphate solution & barium chloride solution
I. Exchange of atoms take place
II. Exchange of ions take place III. A precipitate is produced IV. An insoluble salt is produced correct option is:
So‘rovnoma
- (I) and (III)
- (I) and (IV)
- Only (II0
- (II), (III) and (IV)