Q4 of 21 Page 3

An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal. (CBSE 2015)

A is a non-metal

Explanation:


Oxides of non-metals → acidic in nature


Oxides of metals → basic in nature


Hence, element which forms an oxide A2O3 which is acidic in nature is a non-metal.

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