Which metal is the primary component of ‘Stainless Steel’?
ANickel
BChromium
CIron
DManganese
Explanation
• While stainless steel contains chromium (to prevent rust), iron is the main alloying element.
• The addition of chromium creates a thin, passive layer of chromium oxide that protects against corrosion.
• It is essential for kitchenware, medical instruments, and construction.
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC Past Papers

No Comments