Contents:< br/> br>Unit 1: Introduction; br/> br>Unit 2: Basic laboratory techniques; br/> br>Unit 3: identification of gases< br/> br>Unit 4: Physical appearance and solubility of salts< br/> br>Unit 5: heating effect on substance; br/> br>Unit 6: qualitative analysis; br/> br>Unit 7: flame test< br/> br>Unit 8: separation of components of mixture; br/> br>Unit 9: soap and Detergents; br/> br>Unit 10: hard water and soft water< br/> br>Unit 11: water pollution; br/>.