Question:
Oxides of aluminium and zinc are :
Oxides of aluminium and zinc are :
Updated On: Jan 13, 2026
- acidic
- basic
- amphoteric
- neutral
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The Correct Option is C
Solution and Explanation
Step 1: Understanding amphoteric oxides:
An amphoteric oxide is one that can react both as an acid and as a base. This means that it can react with both acids and bases to form salts and water.
Step 2: Identifying the oxides of aluminium and zinc:
- Aluminium oxide (Al2O3) and zinc oxide (ZnO) are examples of amphoteric oxides.
- Aluminium oxide reacts with acids to form salts like aluminium chloride and with bases to form aluminate ions.
- Zinc oxide reacts with acids to form zinc salts and with bases to form zincates.
Step 3: Conclusion:
Both aluminium oxide and zinc oxide are amphoteric because they can react with both acids and bases. Therefore, the correct answer is amphoteric.
An amphoteric oxide is one that can react both as an acid and as a base. This means that it can react with both acids and bases to form salts and water.
Step 2: Identifying the oxides of aluminium and zinc:
- Aluminium oxide (Al2O3) and zinc oxide (ZnO) are examples of amphoteric oxides.
- Aluminium oxide reacts with acids to form salts like aluminium chloride and with bases to form aluminate ions.
- Zinc oxide reacts with acids to form zinc salts and with bases to form zincates.
Step 3: Conclusion:
Both aluminium oxide and zinc oxide are amphoteric because they can react with both acids and bases. Therefore, the correct answer is amphoteric.
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