Chemistry Game

This is a very interesting Chemistry Game. In this game, you are in a laboratory do some chemistry experiments. In these experiments your challenge is to create the given molecules. In this game you will be shown the given molecules which you have to create. You will be shown the chemical formulae for these molecules at the beginning of the game. You have to create the molecules by swapping the two consecutive letters. You can monitor your progress in the test tubes. 
You have to complete the given task under the given limited time. If you are not able to complete your task, your game will be over.