15. Solving a chemistry problem

15. Solving a chemistry problem

2. Add equations:
Fe(OH)2 NaOH =
FeCl3 KI =
Cu(OH)2 NH4OH =
Fe(OH)2 O2 H2O =

Additional information:

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.