Question

In a double displacement reaction such as the reaction between sodium sulphate solution and barium chloride solution:

I. Exchange of atoms takes place.
II. Exchange of ions takes place.
III. A precipitate is produced.
IV. An insoluble salt is produced.


The correct option is:
(a) (II) and (IV)
(c) Only (II)
(b) (I) and (III)
(d) (III) and (IV)​

Answer 1

Answer:

2 and

Explanation:

I can't see the 4 option

Answer 2

Answer:

(b) (I) and (III)

Explanation:

this is correct