In this Chemistry quiz app on redox reaction, you will be asked to determine if a substance is oxidized or reduced; whether it is an oxidizing agent or a reducing agent. These questions are based on the O level chemistry syllabus on the chapter on redox reactions.
To revise, visit:
http://chemistryforsg-olevel.blogspot.com/2015/07/redox-reactions.html
To try more questions, visit:
http://chemistryforsg-olevel.blogspot.com/search/label/redox