Question

An element forms an oxide which is acidic in nature. Is the element a metal or a non metal ? Why?

Answer 1

The element is a non metal because it is property of non metals to form acidic oxide.

Answer 2

Here is your answer
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The element forms acidic oxide is non metal. This is because non metal oxide is always acidic in nature.

Exa- CO, CO2, NO2, etc.
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Hope it is useful