Red iron oxide.
The first hint to crack the puzzle «Red iron oxide.» is:
It is a word which contains 4 letters
The second hint to crack the puzzle «Red iron oxide.» is:
It starts with letter R
R
The third hint to crack the puzzle «Red iron oxide.» is:
It ends with letter T
R
t
Looking for extra hints for the puzzle «Red iron oxide.»:
Click on any empty tile to reveal a letter
R
t
The answer for the puzzle «Red iron oxide.» is:
R
u
s
t