Vipin Some Basic Concepts of Chemistry Class 11 Notes Chapter 1 • Importance of Chemistry Chemistry has a direct impact on our life and has wide range of applications in different fields. These are given below: (A ) In Agriculture and Food: (i) It has provided chemical fertilizers such as urea, calcium phosphate, sodium nitrate, ammonium phosphate etc. (ii) It has helped to protect the crops from insects and harmful bacteria, by the use ‘ of certain effective insecticides, fungicides and pesticides. (iii) The use of preservatives has helped to preserve food products like jam, butter, squashes etc. for longer periods. (B) In Health and Sanitation: (i) It has provided mankind with a large number of life-saving drugs. Today, dysentery and pneumonia are curable due to discovery of sulpha drugs and penicillin life-saving drugs. Cisplatin and taxol have been found to be very effective for cancer therapy and AZT (Azidothymidine) is used for AIDS victims. (ii) Disinfectants such as p
Science is defined as the observation, identification, description, experimental investigation, and theoretical explanation of natural ...