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Which substance is a conductor of electricity ?

(1)NaCl(s)
(2)NaCl (l)
(3)C6H12O6(s)
(4) C6H12O6 (l)

thanks for any help !

2 answers

NaCl(liquid)

Just to add the the correct answer - NaCl solid - the ions are not free to move around so cannot conduct electricity that is the difference.

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