A soft; black opaque carbonaceous rock that can be used to make pencil is? by Sunday | Jan 1 | Geography JAMB | 0 comments A. lignite B. graphite C. lead D. coal Correct Answer: Option B – graphite Users Also Read These:The term lead pencil is a ________; pencils are…You may have the pencil; but you can't have the…Assuming that brown colour is dominant over black…Which of the following allotrope of carbon is a…The soft solder used for welding and plumbing is alloy of?