Chemistry · Engineering Materials & Alloys
ढलवां लोहे (Cast iron) में सामान्यतः कार्बन की मात्रा कितनी होती है?
- 12% से 4%✓
- 27% से 8%
- 30.3% से 0.6%
- 40.65% से 1.5%
सही उत्तर देखें
2% से 4%
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