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Lakhmir Singh & Manjit Kaur - Chemistry

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22 A 22 B 22 C 23 A 23 B 24 A 24 B 25 A 25 B 25 C 26 A 26 B 27 A 27 B 28 A 28 B 28 C 29 30 A 30 B 31 A 31 B 32 A 32 B 32 C 33 A 33 B 34 A 34 B 35 A 35 B 35 C 35 D

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Q. 84.6( 19 Votes )

Name the black subst

Class 10th Lakhmir Singh & Manjit Kaur - Chemistry 4. Carbon and Its Compounds

Answer :

Graphite is the black substance of pencil. When we use the sharpened ends of the pencil to complete the circuit, the current will flow through the electric circuit because graphite is a good conductor of electricity.

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