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Subject :NSO    Class : Class 8

Which of the following is correct?

A Water can be used for extinguishing fires caused due to electrical faults.
B Carbon is a non-metal so it cannot be used in electrolytic cell.
C A liquid conducts electricity because of the presence of ions.
D Pure water forms ions to conduct electricity.

answer shall be c

Ans 1:

Class : Class 8

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