Question

.........glass dissolves in water​

Answer 1

By dissolving the alkali in the glass composition, a porous surface is left that consists of the silica network with holes where the alkali has been removed by the acid. ... Corrosion by water is similar to acid corrosion in that alkali is removed from the glass surface. Water corrosion acts at a much slower rate.

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Answer 2

water glass or a glass made up of sodium silicate is soluble in water.

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