Bangkok: Pakistani students of Pakistan won the Bronze medal at the international chemistry Olympiad and raise the name of country. Maha ayub is an O level student at the Karachi local school and she has so much crazy in chemistry. Due to this passion she won the bronze medal at the 49th international chemistry Olympiad in Thailand. That is why countries around the world send their students in these competitions. Five hours take the experimental test and five hours taken the written test. In the result of these competitions Maha won the bronze medal to leaving the hundreds of students behind. HEC and Karachi HEG took the test hundreds of students out of which three children were sent to competition. Maha said that Pakistani students should go to such competitions. It is clear that International Chemistry Olympiad is held every year and it started from Prague in 1968.