Question

Formula of Rust is

• A. $Fe_2O_3 × H_2 O$
• B. $Fe_2O_4 × H_2 O$
• C. $Fe(OH)_2$
• D. $Fe(OH)_3$

Answer 1

Answer: (A)

$Fe_2O_3 × H_2 O$

Answer 2

The correct option is (A): $Fe_2O_3 × H_2 O$