Chemistry · Metallurgy
केलामिन (Calamine) किस धातु का एक प्रमुख अयस्क है?
- 1लोहा
- 2जस्ता (Zinc)✓
- 3कैल्शियम
- 4तांबा
सही उत्तर देखें
जस्ता (Zinc)
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