explain why if distilled water is kept in a sealed bottle for a long time ,it leaves etchings on the surface of the glass
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presence of alkali in water....
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As we all know, Water is a universal solvent.
But a very few knows that the substance which are insoluble are a little soluble .
And in case of glass, it is a supercooled liquid not a pure solid .So it dissolve a little in distilled water .So it leaves etchings on the surface of the glass.
But a very few knows that the substance which are insoluble are a little soluble .
And in case of glass, it is a supercooled liquid not a pure solid .So it dissolve a little in distilled water .So it leaves etchings on the surface of the glass.
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