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:Locally produced soap in which wood ash is used as…A black market can occur when?Assuming that brown colour is dominant over black…Soft iron is used in making the armature of an…The term lead pencil is a ________; pencils are…