Since when chemistry is being practiced? Md. Saifur Rahman Chemistry is being practiced in ancient times. Indian subcontinent had used colors to dye their clothes. The chemistry was used for metal mining.You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?