Moderate electrical conductivity is shown by
silica
graphite
diamond
carborundum
B.
graphite
In graphite carbon atom is sp2 hybridised and has a delocalised -electron cloud responsible for its high electrical conductivity.
Hydrolysis of (CH3)2SiCl2 and CH3SiCl3 leads to:
linear chain and cross linked silicones respectively
cross linked and linear chain silicones respectively
linear chain silicones only
cross linked silicones only