Question

(b) A student has four unlabelled beakers, each containing a colourless solution of a
different salt.

The four solutions are :
potassium carbonate
potassium chloride
potassium iodide
sodium chloride

Describe a method to identify each solution.

Do not refer to safety in your answer.​

Answer 1

Answer:

with the help of litmus paper or universal indicator

Explanation:

                                universal indicator

1 dip it in K2CO3 - blue ph range 11.5

2 dip it in KCl       pale green 5.5 ph range

3 dip it in KI          green ph range neutral

4 dip it in NaCl    its green ph range 7 neutral