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CBSE Class 7 Answered

Write a word equation to represent the process of rusting of iron.Also write the chemical symbols and formulae of all the substances involved

Asked by uddu1112 | 18 May, 2019, 09:01: AM
Expert Answer

Rusting is a slow oxidation process in which iron slowly reacts with oxygen of the air in the presence of moisture and produces a flaky brown substance called rust. 

 stack 4 Fe with Iron below space plus space stack 3 straight O subscript 2 space end subscript with oxygen below plus stack space 2 xH subscript 2 straight O with water below space rightwards arrow space stack 2 Fe subscript 2 straight O subscript 3. xH subscript 2 straight O with Iron space oxide below

Rust is hydrated ferric oxide ((Fe2O3.xH2O) which forms a reddish brown coating over iron. 

Answered by Ramandeep | 18 May, 2019, 10:13: AM
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