Answer to Question #299570 in General Chemistry for Aduke

General Chemistry

Question #299570

Why is ammonia is used to remove rust from metals

Expert's answer

Rust is formed when iron combine with oxygen and water to form Iron (iii) oxide (Rust)

Ammonia can remove rust because it reacts with Fe"_2" O"_3"

"Fe_2O_3+2H_3\\to2Fe+N_2+3H_2O"

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