Answer:
option C is the right answer.
Step-by-step explanation:
Covalents are poor conductors of heat and electricity, so anything moulded or bonded with covalents are poor conductors of heat and electricity( insulators)
The answer is option C.
A covalent bonded molecule when not dissolved in an aqueous solution does not contain any ions hence does not conduct electricity making it an insulator.
Hope this helps you.
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