Science with Hazel’s Perfect Answer Workbook for Edexcel GCSE Chemistry (9-1) Triple Award / Single Science (1CH0) students is the ideal revision partner for The Perfect Answer Revision Guide – Edexcel GCSE Chemistry (9-1) Single Science. The pdf workbook is designed to help you secure the highest grades in your GCSE exams. Also provided with your order is the accompanying answer booklet, so you can check your progress as you go. Please note: Revision guides are restricted to 3 devices only. Schools and Educational Centres, please email firstname.lastname@example.org to purchase a school licence. To access your order, either click on the link shown once checkout is complete, or follow the link on your order confirmation email. Please check your junk mail if you do not receive this email straight away.