Practice Set-Analytical Chemistry-Class 10

      Practise Set                                                          

1. Write the possible observation of the following:                                                                                     
   1. Few drops of NaOH are added to CuSO₄ solution and then in excess.
   2. Few drops of NaOH is added to FeSO₄ solution and then in excess.
   3. Few drops of ammonium hydroxide solution is added to CuSO₄ solution and then in excess.
   4. Few drops of ammonium hydroxide solution is added to ZnSO₄ solution and then in excess.
2. Write the balanced equation of the following:                                                                                    
   1. Few drops of NaOH is added to lead nitrate solution and then in excess.
   2. Few drops of NaOH is added to ferric chloride solution and then in excess.
   3. Few drops of ammonium hydroxide solution is added to CuSO₄ solution and then in excess.
   4. Few drops of ammonium hydroxide solution is added to ZnSO₄ solution and then in excess.
3. Chemically distinguished between the following:                                                                                   
   1. Ca²⁺ and Zn²⁺ ion solution
   2. Zn²⁺ and Pb²⁺  ion solution
   3. Ammonium hydroxide and sodium hydroxide solution
   4. Zn(OH)₂ and Pb(OH)₂
4. Fill in the blanks:
   1.    NaOH react with zinc sulphate solution to produce a ________ ppt of ________ which is ________ in excess due to the formation of ________.
   2. Ammonium hydroxide solution react with copper sulphate solution to produce a _______ ppt of _______ which is soluble in excess to produce ________ solution due to the formation of __________.