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The p-Block Elements — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThe p-Block Elements1 Mark
Question
Silicones are used for making waterproof fabrics. Give reason.
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Answer

Silicones are synthetic polymers containing repeated units of $\mathrm{R}_2 \mathrm{SiO}$ where R is alkyl group.Therefore, these are water repellants i.e. do not absorb water and are used for making waterproof fabrics.

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