Chemistry · Metals
निम्नलिखित में से कौन सी धातुएं उभयधर्मी (amphoteric) ऑक्साइड बनाती हैं?
- 1Ca और Mg
- 2Fe और Cu
- 3Al और Zn✓
- 4Na और K
सही उत्तर देखें
Al और Zn
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