Chemistry · Metals and their Compounds
आभूषण बनाने के लिए शुद्ध सोने की कठोरता बढ़ाने के लिए उसमें आमतौर पर निम्नलिखित में से कौन सा तत्व मिलाया जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1सीसा (Lead)
- 2जस्ता (Zinc)
- 3लोहा (Iron)
- 4तांबा (Copper)✓
सही उत्तर देखें
तांबा (Copper)
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