Chemistry · Forensic Science
The most efficient method for the restoration of obliterated laser-etched bar codes on Smith & Wesson Sigma pistols is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1Acid etching
- 2Electropolishing
- 3Magnetic particle method
- 4Heat etching✓
Correct answer
Heat etching
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Chemistry?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Forensic Science MCQs →Want more practice questions on Forensic Science?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Chemistry · Forensic Science