There is a mistake in the given classification table Non-conductor of electricity Conductor of electricity Wool Copper Cotton Brass Plastic Iron Cork Steel Graphite Silver Which of the following is placed incorrectly in the groups?

There is a mistake in the given classification table Non-conductor of

1.	There is a mistake in the given classification table Non-conductor of electricity Conductor of electricity Wool Copper Cotton Brass Plastic Iron Cork Steel Graphite Silver Which of the following is placed incorrectly in the groups?
A.	Wool
B.	Graphite
C.	A book
D.	Silver
Answer» C. A book

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There is a mistake in the given classification table Non-conductor of electricity Conductor of electricity Wool Copper Cotton Brass Plastic Iron Cork Steel Graphite Silver Which of the following is placed incorrectly in the groups?

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