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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Solution

If distilled water is kept in a sealed bottle for a long time, it leaves etchings on the surface of the glass because substances that are insoluble in water dissolve in trace amounts even small amounts of glass dissolves in water which will make etching on the glass surface.

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Similar questions

Explain why:

(a) Boiled or distilled water taste flat.

(b) Ice at $0^{\circ} C .$ has the greater cooling effect than water at $0^{\circ} C .$

(d) Rainwater does not leave behind concentric rings when boiled.

(e) Air dissolved in water contains a higher proportion of oxygen.

(f) If distilled water is kept in a sealed bottle for a long time, it leaves etchings on the surface of the glass.

Explain why

(a) Only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.

(b) Nitric acid is kept in a reagent bottle for a long time.

when distilled water is stored in a sealed glass vessel for a long time, it leaves itching on the surface of glass why?

Explain why nitric acid is kept in reagent bottle for a long time?

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