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प्रश्न
The oxide that dissolves in caustic potash (KOH) is ______.
पर्याय
ZnO
CuO
MCQ
रिकाम्या जागा भरा
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उत्तर
The oxide that dissolves in caustic potash (KOH) is ZnO.
Explanation:
Zinc oxide is amphoteric, meaning it reacts with both acids and bases. When it reacts with KOH, it forms a soluble salt called potassium zincate. Copper oxide (CuO), on the other hand, is a basic oxide and does not dissolve in alkalis.
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