Solving a problem in chemistry section 1 point 90

Sold 1
Refunds 0
Good feedbacks 0
Bad feedbacks 0

90. Five tubes solutions are NaOH, NaCl, Na2S, NaI and NH4OH. How to determine these substances, using one additional reagent? Write the reactions.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)