Question

An element reacts with oxygen to form an oxide. This oxide. this oxide turns red litmus blue. Is the element a metal or a non-metal? Give reasons for your answer.​

Answer 1

Answer:

Here the oxide of given element dissolves in an acid, therefore, the oxide must be basic in nature. Moreover, since the oxide turns red litmus solution to blue, this also confirms that the oxide is basic in nature. Now, basic oxides are formed by metals, so the element in this case is a metal.

Explanation:

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