Physics · Engineering Materials
निम्नलिखित में से किस सामग्री को लौह (ferrous) सामग्री के रूप में वर्गीकृत किया गया है?
- 1एल्युमिनियम
- 2निकल
- 3तांबा
- 4ढलवां लोहा (कास्ट आयरन)✓
सही उत्तर देखें
ढलवां लोहा (कास्ट आयरन)
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