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7. Which oxide is amphoteric? 7. कौन सा ऑक्साइड उभयधर्मी है? | Neet hindi medium - Notes Quiz

7. Which oxide is amphoteric?

7. कौन सा ऑक्साइड उभयधर्मी है?
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23%
BaO
32%
CaO
27%
BeO
18%
MgO