General Studies · Engineering Materials and Metallurgy
सभी लौह धातुओं (Ferrous metals) का मुख्य घटक तत्व क्या है?
- 1तांबा (Copper)
- 2जस्ता (Zinc)
- 3लोहा (Iron)✓
- 4सीसा (Lead)
सही उत्तर देखें
लोहा (Iron)
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