Chemistry · Elements and Compounds
स्टील कई तत्वों से मिलकर बना है। इसके दो आवश्यक तत्व लोहा और _______ हैं।
- 1सिलिकॉन
- 2निकेल
- 3कार्बन✓
- 4एल्युमिनियम
सही उत्तर देखें
कार्बन
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