Chemistry · Important alloys & their uses
डेल्टा मेटल (Delta metal) का अनुमानित रासायनिक संघटन क्या है?
- 1तांबा (60%), जस्ता (40%)
- 2तांबा (70%), निकल (30%)
- 3तांबा (80%), जस्ता (20%)
- 4तांबा (60%), जस्ता (38%), लोहा (2%)✓
सही उत्तर देखें
तांबा (60%), जस्ता (38%), लोहा (2%)
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