Are you in GCSE chemistry (separate science) by any chance? In that case I'm guessing it's on about the potable water practical. -Check out the BBC Bitesize resources or simply google that practical if that is the case, its been a while since I've done it so I probably won't give the best advice for that.
Are you in GCSE chemistry (separate science) by any chance? In that case I'm guessing it's on about the potable water practical. -Check out the BBC Bitesize resources or simply google that practical if that is the case, its been a while since I've done it so I probably won't give the best advice for that.