Chemistry (313)|Solved Practical |Class 12th|ENGLISH MEDIUM | NIOS

Chemistry (313)|Solved Practical File|Class 12th|ENGLISH MEDIUM | NIOS

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Chemistry (313)

CLASS 12TH

SOLVED PRACTICAL FILE

INDEX

1.   Basic Laboratory Techniques

2.   To determine the melting point of a solid substance having low melting point

3.   To prepare dilute solutions of given concentrations of hydrochloric acid, sulphuric acid and nitric acid from their stock solution.

4.   To prepare a sol of (a) Starch (b) Ferric hydroxide (c) Aluminium hydroxide

5.   To prepare crystals of (a) Ferrous ammonium sulphate (Mohr salt), FeSO4. (NH4)2SO4.6H2O. (b) Potash alum K2SO4.Al2(SO4)3.24H20 (c) Potassium ferric oxalate K3[Fe(C2O4)3].3H2O.

6.   Preparations of (a) Iodoform (b) Acetanilide

7.   To find out the Molarity of given NaOH solution by titrating against M/10 solution of oxalic acid. Both the solutions to be provided.

8.   To study the variation of cell potential in Zn|Zn2+ || Cu2+/Cu with change in concentration of electrolytes (CuSO4 or ZnSO4) at room temperature.

9.   To Identify the Functional Groups, present in the given organic compounds and perform: (a) Test for unsaturation. (b) Test for carboxylic, phenolic, aldehydic and ketonic groups.

10. To identify the presence of a phenolic functional group in a given organic compound.

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