Chemistry is a branch of science which deals with the study of reactions , chemical changes , structures , behavior of any substance.. Chemistry plays important in our daily life and also in studies.. 

 In Chemistry involves any type of Questions and answers ... Chemistry is a multiple subject .. In our daily life if we drink water , breathing and eat food all is the process of Chemistry.. 

 Chemistry is a important subject if we see from any angle .. If we see the chemistry from the angle of relationship  love , friendship and hatred it also relates with chemistry .. Because if the chemistry matches of two person then love is happened .. There is also chemistry involves .. 

 We see many best friends because both friends chemistry is same ... It's means that thinking and action are friends of some .. 

 Someone hate any person because chemistry not matches of each other...In sleeping there is also chemistry involves...

if you fall in love and have more feelings about due to secretion of Phenylethylamine....