Oftern agroundglas stropper gets stuck in the neck of a glass blttlecontinng`NaOH` solution . This is due to ,A. The presence of dirt particles in bhetweemnB. The formation of solid silicate sin-between by the reaction sof ` SiO_2` of galss with `NaOH` .C. The formation of `Na_2 CO_3` in-between by the reaction of `CO_2` of aire and ` NaOH`.D. Glass contains a born compound which forms a precipotte with the ` NaOH` solution .

Oftern agroundglas stropper gets stuck in the neck of a glass blttleco

1.	Oftern agroundglas stropper gets stuck in the neck of a glass blttlecontinng`NaOH` solution . This is due to ,A. The presence of dirt particles in bhetweemnB. The formation of solid silicate sin-between by the reaction sof ` SiO_2` of galss with `NaOH` .C. The formation of `Na_2 CO_3` in-between by the reaction of `CO_2` of aire and ` NaOH`.D. Glass contains a born compound which forms a precipotte with the ` NaOH` solution .
Answer» Correct Answer - B `SiO_(2)+2NaOHrarrunderset("silicate")underset("Sodium")(Na_(2)SiO_(3))+H_(2)O`

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` CO_2` is used for extinguisng fire because it is neither combustible not a supporter of combustion .

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