the lesson is really useful , my concept now is cleared , the notes are colourful and it's really attractive, i won't feel bored during the lesson, the question inside the note are useful too , so you are encouraged to join this lesson if you found chem is difficult
The animation is vivid and attractive, which is different from other chemistry lessons. The tutor use the animation to illustrate the concepts of the topic very clearly, which is very easy to understand. Very good very good very good very good very good very good!!