AQA GCSE Chemistry Paper 2 Higher Mark Scheme.

GCSE CHEMISTRY Higher Tier Chemistry Paper 2 Mark Scheme Question 1 Question Answers Extra information Mark 01.1 a mixture designed as a useful product Accept a description of a mixture. 1 01.2 X If more than one box is ticked, award no marks. 1 01.3 sample/batch C is correct/ contains the right ingredients (because) it matches the correct medicine/ has the same dots/pattern/ the substances travelled the same distances samples/batches A, B and D are not correct/do not contain the right ingredients (because) they do not match the correct medicine/they have different dots/patterns/ the substances travelled different distances Sample/batch C is the only one that is correct/contains the correct ingredients receives marking points 1 and 3. Sample/batch C is the only one that matches the correct medicine, has the same dots/ pattern, they travelled the same distances receives marking points 2 and 4. 1 1 1 1 01.4 it stayed on the start line/ didn’t move (because) it was not soluble (in the solvent used) 1 1 01.5 0.2 Accept Rf = 1 1 Total 10 8 40 distance moved by substance distance moved by solvent