Which of the following substances is not an insulator? by Sunday | Aug 29 | Physics WAEC | 0 comments A. Aluminium B. Glass C. Plastic D. Clay E. Cork Correct Answer: Option A – Aluminium Users Also Read These:Which of the following substances is not complex…The duodenum of a person was surgically removed.…Which of the following substances is not a…Which of the following substances is not a salt?Which of the following substances is not an…