Orthogonal complements

This video helps us to understand the orthogonal complements.

Introduction to Chirality

This video helps us to understand the introduction to Chirality.

Keto enol tautomerization

This video helps us to understand the keto enol tautomerization.

Video: Analogies

Video lesson (2-minute long) designed to help us learn about analogies.

Eyesight challenge

Online activity designed to help us identify home objects. We need to find the items listed on the screen.

Shoes

In this exercise, a multiple choice questionnaire designed to improve our vocabulary skills, we have to choose the correct answer.

Quiznet: Notices

In this exercise, a multiple choice questionnaire designed to improve our vocabulary skills, we have to choose the correct answer.

http://www.youtube.com/watch?feature=player_embedded&v=kzprsR2SvrQ

Quiznet: Gossip

In this exercise, a multiple choice questionnaire designed to improve our vocabulary and grammar skills, we have to choose the correct answer.

Quiznet: Shopping

In this exercise, a multiple choice questionnaire designed to improve our vocabulary skills, we have to choose the correct answer.