Question

Correct statements among a to d regarding silicones are (i) they are polymers with hydrophobic character
(ii) they are biocompatible
(iii) in general, they have high thermal stability and low dielectric strength (iv) usually they are resistant to oxidation and used as greases. (A) (i), (ii), (iii) and (iv) (B) (i), (ii) and (iii)
(C) (i) and (ii) only (D) (i), (ii) and (iv)
[JEE Main 2019]

Answer 1

Option no. A)........✔✔