Element X reacts readily with the oxygen of the air to give a compound – InterviewSolution

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1.	Element X reacts readily with the oxygen of the air to give a compound Y which dissolves in water. The aqueous solution of Y changes blue litmus solution to red. The element X is :
Answer» Element X reacts readily with the oxygen of the air to give a compound Y which dissolves in water. The aqueous solution of Y changes blue litmus solution to red. The element X is :

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