Page 71 - Chemistry ICSE Class IX
P. 71

CHAPTER 3











                                                     Water












                                                    TOPICS COVERED

              ƒ  Water — a chemical             ƒ  Air dissolved in water and its   ƒ  Hygroscopic substances
               compound                           biological importance           ƒ  Deliquescent substances
              ƒ  Water as a solvent             ƒ  Solubility                     ƒ  Soft water and hard water
              ƒ  Physical properties of water   ƒ  Effect of temperature and      ƒ  Chemical properties of water
              ƒ  The anomalous behaviour of       pressure on the solubility      ƒ  Activity series of metals from
               water                            ƒ  Hydrated substances              the action of water on some
              ƒ  Solutions                      ƒ  Anhydrous substances             metals
                                                ƒ  Efflorescence                  ƒ  Importance and uses of water




                                         Highlight the past and                          Allow you to explore a
                BOXED FEATURES           future developments in   ACTIVITIES             topic further
                                         science



                                                                                         Help develop your
                TOPIC-WISE               Provide the first step in   ILLUSTRATIVE        understanding for the
                ASSIGNMENTS              testing your learning  QUESTIONS                topics studied



                                         Enable you to measure
                LET US ANSWER SOME       your conceptual        LET US SAY IT AGAIN      Helps you to reflect back
                MORE QUESTIONS           understanding                                   on what you have learned
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