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 a…Which of the following substances is not recycled in…Which of the following types of bonding does not…Which of the following substances when lost from the…Which of the following substances is not usually…