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containing sulphuric acid?
               7.        The  soil  can  become  basic  by  use  of  excessive  fertilisers.  What  should
                         farmers do in such cases?
               8.        Solid salts do not conduct electricity. Is there any condition under which salts
                         can conduct electricity?
               9.        Name the compounds represented by:
                         NaHCO 3, CuSO 4
               10.       Potassium  sulphate  is  a  salt.  Name  the  acid  and  base  which  undergoes
                         neutralisation reaction to form the salt.








































































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