Questions & Answers on chemical

i am completed diploma in chemical engg.& i am doing btech by distance programm in chemical engg..plz.......

seminars that can be used in 4th year of b.tech

I would be persuing engineering from this year, but i am confused with which of the following of the subject will b...

from the collage you made name the chemical products. give the area of human needs in which they are used.

my number is DE-II/7/89648

hello. what is the chemical formula of viagra. i need to know?? i have found an answer here - http://tinyurl.com/an...

give five example of chemical change

common name

I think it is a physical change, because nothing new was created. My friends think it is chemical. Thanks!