Which of the following allotrope of carbon is a constituent of a lead pencil? by Sunday | Oct 11 | Chemistry JAMB | 0 comments A. Graphite B. Diamond C. Lampblack D. Soot Correct Answer: Option A – Graphite Users Also Read These:To obtain pure carbon(ii)oxide from its mixture with…In the carbon cycle, carbon dioxide in the air may…A soft; black opaque carbonaceous rock that can be…Analysis of a hydrocarbon shows that it contains…What volume of carbon (ll) oxide is produced by…