CBSE Chemistry Practical sample paper-2020-21

 Jawahar Navodaya Vidyalaya, West Singhbhum

Class - XII   Subject -chemistry practical(043)

full Marks-30                Time - 3 Hours

                       Set-I

1. Prepare M/20 solution of Oxalic acid. using this solution find out the molarity & strength of the given KMnO4 solution.                                          (8)

2. Determine the cation & anion in the given unknown salt sample [ A ]     (8)

3. Determine the functional group in the given unknown organic compound (P) [6]

4. Class record & viva               [4]

5 . Investigatory project           [4]

                          Set-II

1. Prepare M/50 solution of ferrous ammonium sulphate (Mohr's salt) . using this solution find out the molarity & strength of the given KMnO4 solution.                 (8)

2. Determine the cation & anion in the given unknown salt sample [ B ]     (8)

3. Determine the functional group in the given unknown organic compound (Q) [6]

4. Class record & viva                          [4]

5 . Investigatory project                      [4]