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 would not produce…Which of the following substances is not complex…Which of the following types of bonding does not…Which of the following substances does not have van…Which of the following substances is not a salt?