O Levels Chemistry (Collection and drying of gases)

Hi Jeryl T, Since you do not know what is your first Chemistry topic in 2013, we shall do some recap on Sec 3 stuff. Before you proceed further, I want to remind you ( Oh no, Mrs Chew wants to nag again? ) that Chemistry needs to spend some time┬áto memorise the information before Read more about O Levels Chemistry (Collection and drying of gases)[…]