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SAI International School
                                                       Class-X

                                               Subject_ Chemistry
                                          Topic- Acids, Bases & Salts
                                  Sub Topic- Properties of Acids & Bases

                                               HOME ASSIGNMENT
               OBJECTIVE:
               MCQs
               Q.1
                     When NaOH and HCl are mixed in equal molar quantities, the result is

                     (a) the formation of salt + H 2O                  (b) the formation of salt + H 2(g)
                     (c) the formation of salt + O2(g)                (d) All above are correct

                     Ans : (a) the formation of salt + H2O

                     When  NaOH  and  HCl  are  mixed  in  equal  molar  quantities,  acid-base
                     reaction takes place and we get salt (NaCl) and water.

                     NaOH +HCl ---------- NaCl +H 2O

               Q.2
                     Aqueous solution of copper sulphate reacts with aqueous ammonium
                     hydroxide solution to give.
                     (a) brown precipitate      (b) pale blue precipitate        (c) white precipitate
                     (d) green precipitate

               Q.3    Which of the following is acidic in nature-
                         (a) apple juice          (b) soap solution

                         (c) slaked lime          (d) lime

                     For Assertion& Reason question follow the following directions.

               DIRECTION: Each of these questions contains an Assertion followed by Reason.
               Read them carefully and answer the question on the basis of following options.
               You have to select the one that best describes the two statements.

               (a) If both Assertion and Reason are correct and Reason is the correct explanation
               of Assertion.

               (b) If both Assertion and Reason are correct, but Reason is not the correct
               explanation of Assertion.

               (c) If Assertion is correct but Reason is incorrect.
               (d) If Assertion is incorrect but Reason is correct.

               (e) If Assertion & Reason both are incorrect.

               Q.4    Assertion: The strength of acids and bases depends on the number of
                         ions and ions produced respectively, when dissolved in water.

                      Reason: Acids like HClO 4, which dissociate almost completely in water are
                      called acids.


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