Question

Another real-world example of a change is rust. rust is iron(iii) oxide (fe2o3), which results when iron is exposed to oxygen and water. what are some indicators of rusting? check all that apply.

Answer 1

Rusting of Iron is the formation of rust which is characterized by formation of layer of red colour. Formula of Rust is Ferric Oxide (Fe₂O₃) where iron exhibits oxidation state of +3.

Following are the indicators of rusting:

• Colour change to red
• Solid formation
• Flaky substances crumbling into powder

Even if the Reddish brown rust is not visible on the iron surface, then also Ferroxyl Indicator turns blue in presence of Iron ions.

Learn more about Rusting of Iron here, https://brainly.com/question/10843927

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