[PDF] Mark Scheme (Results) Summer 2013 Summer 2013 GCSE Chemistry (5CH3H) Paper 01 . Edexcel and BTEC Qualifications Edexcel and BTEC qualifications come from Pearson, the world’s leading learning company. • All the marks on the mark scheme are designed to be awarded. Examiners should always award full marks if deserved, i.e. if the answer matches the mark scheme. Examiners[PDF] Mark Scheme (Results) June 2013 - Pearson qualifications mark scheme. Examiners should also be prepared to award zero marks if the candidate’s response is not worthy of credit according to the mark scheme. • Where some judgement is required, mark schemes will provide the principles by which marks will be awarded and exemplification may be limited.