Correct statements among (I) to (IV) regarding silicons are :
I. They are polymers with hydrophobic character.
II. They are biocompatible.
III. In general, they have high thermal stability and how dielectric strength.
IV. Usually, they are resistant to oxidation and used as greases.
Correct option: (C)
Silicones are polysiloxanes with general chemical formula, [R2SiO]n, where R is an organic group such as: −CH3,−C2H5,−C6H5 etc.
Some of the useful properties of silicones are given below:
Hence, the correct option is (C)