If you’re currently preparing for your Sec 3 Chemistry test/exam, or your O Level Chemistry test/exam, and you’re not too sure about how to start solving mole calculation questions, here’s a simple 3 Step Method we use at Chem Made Easy to get...
A student recently reached out to me via whatsapp asking me to help with this O Level Chemistry Qualitative Analysis (Q.A)? question. I thought I’d very quickly show how to approach and solve?Q.A. questions. Lets start with A. A turns litmus solution red...
In this post, I am going to talk about Copper. Copper is a transition metal and one of the properties of transition metals is that it forms compounds of different colours. [You need to know this if you’re doing O Level Chemistry!] Copper is especially popular...
Many students are familiar with the chapter on Qualitative analysis. Most will be able to rattle of the top of their heads very quickly, the colour of precipitates. For instance, copper(II) hydroxide is a blue precipitate, iron(II) hydroxide is a dirty green...
The chapter on Acids Bases and Salts doesn’t have to be confusing. Over the June Holidays, a couple of students have emailed me with their questions on acids. Rather than answer them individually, I thought of saving a little time and putting it all here in a...
![[Qualitative analysis] Cher… please help!](https://jeremyneo.com/wp-content/uploads/2016/09/how-to-do-QA-questions-1080x675.jpg)
