Question

An element reacts with oxygen to form its oxide. An aqueous solution of this oxide turns red litmus paper to blue. Is it metal or non-metal? Explain with 2 reasons

Answer 1

Explanation:

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.

Answer 2

Answer:

an element reacts with oxygen to from its oxide

Explanation: