Common Olevels Chemistry questions

I decided to write about a few common olevels chemistry questions that I want my students to take note. Please note that I am explaining the key concepts in this post. Not just providing the answer keys. 🙂 Why does aluminium oxide has a higher melting point than sodium chloride? This is because Mg2+ and Read more about Common Olevels Chemistry questions[…]

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 to memorise the information before Read more about O Levels Chemistry (Collection and drying of gases)[…]