MCQ
Repeating unit of organosilicon polymers is
- A${\rlap{-} ({R_2}Si\rlap{-} )_n}$
- B${\rlap{-} ({R_2}Si-O_2\rlap{-} )_n}$
- ✓${\rlap{-} ({R_2}SiO\rlap{-} )_n}$
- DAll of these
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