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Acids, Bases & Salt

                                                                  Classification

           A] Acid & Bases                                        Identification
                                                                  Physical Properties
                                                                  Chemical Properties

                                                                  Defination & Practical
           B] PH                                                  Applications

                                                                  Six types of salts,
           C]Salts                                                Preparation,Nature & Uses



                                   Concept _Properties of acids and bases



             Q1.  What colours does methyl orange turn when added to a base or an acid?                  1




             Q2     When a solution is added to a cloth strip treated with onion extract, then           1
                    the smell of onion cannot be detected. State whether the given solution
                    contains an acid or a base.


             Q3     How will you test the gas liberated when hydrochloric acid reacts with               1

                    sodium hydrogen carbonate.

             Q4     What is an alkali? Give one example.                                                 1


             Q5     How will you experimentally differentiate strong and weak acids?                     1


             Q6.  What type of ions are formed when                                                      1


                    i) an acid is dissolved in water?ii) a base is dissolved in water?


             Q7.  How will you test the gas liberated when hydrochloric acid reacts with                 1
                    an active metal?


             Q8     Give two examples of strong and weak bases.                                          1


             Q9     What colours does phenolphthalein turn when added to a base or an                    1
                    acid?


             Q10  Give two examples of mineral and organic acids.                                        1


                                                    Concept _pH

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