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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

MSCERT Class 10 General Science Ch8 Understanding Metals and Non Metals


X is a metal like Na or K.
Sodium combines with Oxygen to form Sodium Oxide [Na2O].Sodium Oxide dissolves in water and forms an alkali , Sodium Hydroxide
[NaOH]. This turns red litmus blue.
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