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[…]

Answering techniques for Science questions

I want to talk about answering techniques for Science questions in this post. This year, I got several students who are hardworking and know their concepts well. One will expect them to score A but they only managed a B or C in the recent weighted assessments. Why? Because concept is not king. 🙂  I Read more about Answering techniques for Science questions[…]