In the Hall – Heroult process, aluminium is formed at the cathode. The cathode is made out of (a) Platinum (b) Carbon aluminium is formed at the cathode. The cathode is made out of (a) Platinum (b) Carbon In the Hall - Heroult process November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related