Element X has a total of 19 electrons and can react with oxygen to form an oxide. Which of the following statements is NOT true of the oxide of the element?

Question 1 Report

When exposed to air, it slowy changes to liquid

its solution in water conducts electricity

Its solution in water, on evaporationm gives a white solid

Its solution in water liberates hydroge when in contact with aluminium metal

Its oxide, when stronlgy heated, regenerates the elements X

Electrolysis

Chemical Combination

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