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