Pakistan's best MCQs practice hub — FPSC · PPSC · CSS · NTS · Other Exams
Login

Which gas is used in electric bulbs to prevent oxidation?

AArgon
BNitrogen
CHelium
DOxygen

Explanation

Argon is an inert gas used to fill electric light bulbs because it does not react with the tungsten filament even at high temperatures, preventing it from burning out.

Exam Relevance
  • Topic: Competitive Exams
  • Subtopic: General Awareness
Submitted by: mcqstutor Team More General Knowledge MCQs →

No Comments

Leave a comment

Your email address will not be published. Required fields are marked *