Introduction to chemistry.pdf

 ® 1.1 Introduction to science Branches of Science : THE SPOT LIGHT The three main branches of science   Physical science is further divided into THE SPOT LIGHT  CHECK YOUR CONCEPTS 1.1 1.2 What is chemistry ? THE SPOT LIGHT  History of chemistry ®  ® THE SPOT LIGHT  BUILDING CONC...

 ® 1.1 Introduction to science Branches of Science : THE SPOT LIGHT The three main branches of science   Physical science is further divided into THE SPOT LIGHT  CHECK YOUR CONCEPTS 1.1 1.2 What is chemistry ? THE SPOT LIGHT  History of chemistry ®  ® THE SPOT LIGHT  BUILDING CONCEPTS 1.1 Explanation Some branches of chemistry 1.3 The importance of learning chemistry THE SPOT LIGHT (i) Cooking & Food preservatives      THE SPOT LIGHT  (ii) Agriculture   (iii) Cosmetic: THE SPOT LIGHT  (iv) Clothing: ®  ® (v) Medicine: THE SPOT LIGHT (vi) Cleaning: (vii) Environmental issues BUILDING CONCEPTS 1.2 Explanation CHECK YOUR ANSWERS 1.1 1.4 Notable personalities   BUILDING CONCEPTS 1.3 Explanation 1.5 Experimental Investigation (scientific method) THE SPOT LIGHT  ®  ® CHECK YOUR CONCEPTS 1.2 1.6 Common laboratory Apparatus Measuring cylinder Pipette Burette  THE SPOT LIGHT  GAS COLLECTED Downward displacement of water ®  ® THE SPOT LIGHT   CHECK YOUR ANSWERS 1.2 1.7 Precautions to be taken in a chemistry laboratory ®  ®