Agniveer Army Corrosion — practice questions

Explore 1 free Corrosion questions in Agniveer Army Science. Open each question or exercise to read its content, reference answers and available explanation.

Practise Corrosion with Quill →

Corrosion questions and exercises with answers

Showing questions 1–1 of 1.

Which of the following is the formula for rust?Read the answer and worked solution →

Worked practice questions

Which of the following is the formula for rust?

Fe₂OH·H₂O
FeO₃·H₂O
Fe₂O·H₂O
Fe₂O₃·H₂O

Show answer and solution

Correct answer: D. Fe₂O₃·H₂O

1. Rust forms when iron reacts with oxygen and moisture. 2. It is hydrated iron(III) oxide. 3. Its formula is Fe₂O₃·H₂O. _Source: RRB Group D CEN-02/2018 PYQ, Q.96 (rust)._

Open this question →

How to practise

Choose a Corrosion question and try to work out your answer.
Open the question to check the correct answer and read its worked solution.
Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

Put it into practice

Continue with Corrosion practice for Agniveer Army. Read explanations as you go. No signup form needed to start.

Practise Corrosion →