An element X on reacting with oxygen forms an oxide X₂O. This oxide dissolves in water and turns red litmus blue. State whether element X is a metal or a non metal. Explain with proper example.

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Solution

The solution of oxide turns red litmus blue. This indicates that the oxide is basic in nature.

The element X is very likely to be a metal because most of the oxides of metals are basic.

For example, when sodium oxide is dissolved in water, it produces sodium hydroxide, which is a strong base.

Na₂O_+ H₂O→2NaOH

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An element X on reacting with oxygen forms an oxide X2O. This oxide dissolves in water and turns red litmus blue. State whether element X is a metal or a non metal. Explain with proper example.

An element X on reacting with oxygen forms an oxide X₂O. This oxide dissolves in water and turns red litmus blue. State whether element X is a metal or a non metal. Explain with proper example.