Summer exams are nearly with us, so you'll need to make sure you are up to date with past papers.
You can find anything up to and including June 2010 papers and mark schemes on the AQA website. Just follow the link in the green box on the right.
However, if you want access to Jan 2011 papers you'll have to download them from the links below. I've included CHEM 1 and CHEM 4 papers for anyone resitting.
CHEM1 paper
CHEM1 mark scheme
CHEM2 paper
CHEM2 mark scheme
CHEM4 paper
CHEM4 mark scheme
CHEM5 paper
CHEM5 mark scheme
Don't forget to pop in for some help if you need it while you are on study leave, and the very best of luck.