Billzene I'm not sure which unit you're in since redox is in both units 2 and 3. But I've made U 1/2, U3 and U 3/4 mock exams that incorporate quite a lot of redox questions: https://www.dropbox.com/sh/mcyi3h4jib7digf/AABNT9wiBCidv4BR9azFbmDYa?dl=0
