Question

11. An element 'A' forms an oxide A203, which is acidic in nature. Identify 'A' as a metal or non-metal.​

Answer 1

Answer:

element A is aluminium it is metal

Explanation:

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Answer 2

'A' is a non-metal, since mostly only non-metals form acidic oxides, and its valency must be 3

The element satisfying all these things is Boron, which is a non-metal and has an acidic oxide

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