Testwala logoTestwala
HomeMocksPracticePYQsDashboard
Testwala logoTestwala

Timing-accurate mock tests and PYQs for SSC, Banking and Railway exams — so the real paper feels like a revision.

Exams

  • SSC exams
  • Banking exams
  • Railway exams
  • All exams

Practice

  • Practice questions
  • Mock test series
  • Sectional tests
  • Year-wise PYQs
  • Performance analytics

Company

  • About us
  • Help Centre
  • Pricing
  • Sign in

Legal

  • Privacy Policy
  • Terms of Service

Contact

  • hello@testwala.co.in
  • Telegram
  • +91 62816 87760

Practice interface modeled on the official exam pattern — not the official examination. Testwala is not affiliated with the Staff Selection Commission, IBPS, SBI, RBI, NABARD, SEBI or Indian Railways.

© 2026 Testwala. All rights reserved.

Built for aspirants, by aspirants.

HomeMocksPracticeStats
  1. Home
  2. ›
  3. PYQs
  4. ›
  5. CGPSC
  6. ›
  7. 2011
  8. ›
  9. Q55

CGPSC 2011 · Question 55 of 146

The important metal used with iron to produce stainless steel is

Metals and Alloys

  1. AAluminium
  2. BCarbon
  3. CChromiumCorrect
  4. DTin

Answer: C. Chromium

Explanation

Chromium (at least 10.5%) gives stainless steel its corrosion resistance by forming a protective oxide film.

Source: CGPSC PCS Prelims 2011 GS Paper, solved paper via iasexamportal.com

← Q54View full paper (146 questions)Q56 →

Practice the full CGPSC 2011 paper

Timed test with all 146 questions, just like the real exam.

Start test