Ewong0117

LATEST ARTICLES ( 60 )

• Mole Concept - A Simple Way to Manipulate These Equations

  

  I was tutoring one of my students, and I realized she wasn't good at algebraic equation manipulation. She memorized the mole concept equations religiously. Read more

  Posted on 12 March 2018 CHEMISTRY

• Global Warming - Video Sharing

  In the notes on air and atmosphere, we talked about greenhouse gases and global warming.Gases such as carbon dioxide and methane are greenhouse gases. These... Read more

  Posted on 06 March 2018 CHEMISTRY

• Secondary School Chemistry - Solubility of Salts Flashcards

  

  I mentioned in the previous post that I will be creating flashcards which can be downloaded on Google Play. After creating the flashcards for qualitative... Read more

  Posted on 18 February 2018 CHEMISTRY

• Secondary School Chemistry - Qualitative Analysis Flashcard

  

  Happy New Year!With the new year ahead, I hope to make your studies more effective, and allow all to make good use of pockets of time in your revision. Read more

  Posted on 01 January 2018 CHEMISTRY

• Safety First

  

  With the new school year starting in just a week's time, I would like to share this video, emphasising the importance of safety first. I really appreciate the... Read more

  Posted on 27 December 2017 CHEMISTRY

• Degree of Unsaturation: Worked Solution - Organic Chemistry Quiz 4

  

  This post is the worked solution for organic chemistry Quiz 4 which talks about the degree of unsaturation of organic compounds. If you have not tried this... Read more

  Posted on 21 October 2017 CHEMISTRY

• Organic Chemistry - Quiz 4

  This quiz for this week is on organic chemistry. You may like to revise the chapter on alkanes and alkenes, as well as the chapter on alcohols, carboxylic acids... Read more

  Posted on 21 October 2017 CHEMISTRY

• After Secondary School Chemistry

  

  I was talking to my student who had just graduated from secondary school, and is moving on to junior college (and taking A levels next year). Her comments was... Read more

  Posted on 25 March 2017 CHEMISTRY

• The Learning Experiment - Organizing and Memorizing (Part 3) - Using Mole Concep...

  In this post, I will be using the chapter on mole concept as an example of how to organize information for easy memorization.If you take a closer look back at... Read more

  Posted on 07 December 2016 CHEMISTRY

• Introducing Life After Work (L-A-W)

  

  Exams are over! What are your plans for the school holidays?L-A-W refers to Life After Work. It's the life I follow after work.My Life without L-A-WI was a ver... Read more

  Posted on 01 December 2016 CHEMISTRY

• The Learning Experiment - Organizing and Memorizing (Part 2)

  

  For those of you who have tried the experiment in Part 1, which of it would be the easier method to memorize? Experiment 1 or 2? Read more

  Posted on 26 November 2016 CHEMISTRY

• Organic Chemistry - Quiz 3

  This quiz for this week is on organic chemistry. You may like to revise the chapter on alkanes and alkenes, as well as the chapter on alcohols, carboxylic acids... Read more

  Posted on 06 November 2016 CHEMISTRY

• How to Complete Your Revision on Time

  "It is a day before the exams, and I still have a whole lot of stuff to cover! "Does this sound familiar?I used to have this problem too. However, I was lucky... Read more

  Posted on 12 September 2016 CHEMISTRY

• Qualitative Analysis - Quiz 2

  The test is on qualitative analysis, testing for cations, anions and gases. To revise this topic, click here. Which of the following solution could be used to... Read more

  Posted on 13 August 2016 CHEMISTRY

• Organic Chemistry - Quiz 2

  This quiz for this week is on organic chemistry. You may like to revise the chapter on alkanes and alkenes, as well as the chapter on alcohols, carboxylic acids... Read more

  Posted on 13 August 2016 CHEMISTRY

• Answers - Mindmap for O Levels Organic Chemistry Reactions - Starting with Ethene

  

  The following is the answers for the organic chemistry reactions mind map from the previous post.You can find a pdf file for this mind map (including the... Read more

  Posted on 14 July 2016 CHEMISTRY

• Mindmap for O Levels Organic Chemistry Reactions - Starting with Ethene

  

  In the previous posts, I talked about why mind mapping is a good tool to revise organic chemistry reactions, as well as how to create such mind maps.In this... Read more

  Posted on 14 July 2016 CHEMISTRY

• Prelude to Organic Chemistry Reaction - Mind Map Examples

  In the previous posts, I talk about why mind maps are particularly suitable for revising organic chemistry reactions. I also gave a step- by- step guide to... Read more

  Posted on 26 June 2016 CHEMISTRY

• Step by Step Guide to Creating Mind Maps for Organic Reactions

  In the previous post, I shared that the use of mind map is a good way to memorize reactions tested in organic chemistry. Simply because, the reactions are very... Read more

  Posted on 26 June 2016 CHEMISTRY

• How to Memorize the Reactions in Organic Chemistry?

  I shared how to memorize the qualitative analysis tables for cations in one of my previous posts. In this post, I will be sharing with you how to memorize the... Read more

  Posted on 26 June 2016 CHEMISTRY