I can't talk for all universities but I had interviews at Manchester, Cardiff, Nottingham and Bath and the general questions were similar: why pharmacy, why the uni, they may ask a bit about basic pharmacy, like name 5 different ways of administering drugs, name 5 drugs even, one asked me to talk about a drug of my choice for one minute, they'll ask about work experience and if they don't, make sure u mention any u do have. One asked me to point out functional groups in a huge molecule - i think i messed that bit up and i still got an offer. I really wouldn't worry about it too much. Be prepared - read some chemistry books, read a couple of bbc news articles on recent health issues (they like current affairs).
Any more questions about the interview or applying for pharmacy in general, feel free to pm me
petrolhead
ps i'm now a first year pharmacy student at nottingham