Which two substances are necessary for rusting of iron?
Advertisement
Answer and explanation
Correct answer: Oxygen and water
Rusting of iron is an oxidation process that requires both oxygen and water. In the presence of water, oxygen reacts with iron to form hydrated iron(III) oxide, commonly called rust. Carbon dioxide may affect the rate of corrosion, but it is not essential for rusting.
Frequently asked questions
What is the correct answer to this question?
Oxygen and water
Why is this the correct answer?
Rusting of iron is an oxidation process that requires both oxygen and water. In the presence of water, oxygen reacts with iron to form hydrated iron(III) oxide, commonly called rust. Carbon dioxide may affect the rate of corrosion, but it is not essential for rusting.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Chemical Reactions and Equations.
Advertisement