Chemistry · d- and f-Block Elements
निम्नलिखित में से कौन-सी सिक्का धातुएं (coinage metals) हैं?
- 1Cu, Ag, Au✓
- 2Ru, Rb, Pd
- 3Ir, Pt, Au
- 4Cu, Ag, Pt
सही उत्तर देखें
Cu, Ag, Au
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