SSC CHSL 2019 PYQ — Question 48

SSC CHSL - 8th July 2019 - Shift 1 • General Awareness • Q48

Rusting of iron is an example of _______.

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2, i.e. corrosion.  

Rusting of iron is an example of _______.

Corrosion

What is corrosion?

  • Corrosion is a natural process that converts a refined metal into a more chemically-stable form such as oxide, hydroxide, or sulfide.
  • It is the gradual destruction of materials by chemical and/or electrochemical reaction with their environment.

What is rusting?

  • Rust is an iron oxide, a usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture.