Question

The oxide of the metal which reacts with both acids and alkalis to give salt & water.
(a) MgO
(b) CuO
(c) Al2O3
(d) K2O

Metallurgy

Chemistry, Class 10, ICSE, J Dalal

August 22, 2024

Answer

Explanation:

Al2O3, or aluminum oxide, is an amphoteric oxide, meaning it can react with both acids and bases to form salts and water. In contrast, MgO and K2O are basic, while CuO is primarily basic and does not react with alkalis.

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The oxide of the metal which reacts with both acids and alkalis to give salt & water. (a) MgO (b) CuO (c) Al2O3 (d) K2O

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The oxide of the metal which reacts with both acids and alkalis to give salt & water.
(a) MgO
(b) CuO
(c) Al2O3
(d) K2O