Chemistry JAMB

The reddish-brown rust on iron roofing sheets consists of?
The reddish-brown rust on iron roofing sheets consists of?The reddish-brown rust on iron roofing sheets consists of?

A. Fe³+(H2O)6
B. FeO.H2O
C. Fe2O3.3H2O
D. Fe3O4.2H2O

Correct Answer:

Option C – Fe2O3.3H2O

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