Question

An element burns in air to form an oxide the solution of this oxide turns blue Litmus Paper red. state whether the element is a metal or a nonmetal. give an example of one such element. Also write the chemical equation involved.

Answer 1

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The first observation from this data is that the element is a metal. It is evident from the fact that the aqueous solution of its oxide turns blue litmus paper red, which means that it is acidic in nature. It should be noted that acids turn blue litmus paper red and bases/alkali turns red litmus paper blue.

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