Q57Short answer
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
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Since an oxide of element is acidic in nature, therefore, A will be a non-metal.
An element forms an oxide A2O3 which is acidic in nature. Identify A as a metal or non-metal.
Since an oxide of element is acidic in nature, therefore, A will be a non-metal.