Class 12 Chemistry Practicals Preparation Of Reagents

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PREPARATION OF REAGENTS

                                                                                                                 Salt Analysis
 
1. Ammonium acetate                                                                        230 g / Litre
2. Ammonium carbonate                                                                    160 gm / Litre + 140 ml liquor ammonia
3. Ammonium chloride                                                                       270 gm / Litre
4. Ammonium hydroxide                                                                    270 ml Liquor Ammonia / Litre
5. Ammonium oxalate                                                                        35 gm / Litre
6. Ammonium thiocyanate                                                                  38 gm / Litre
7. Barium chloride                                                                             61 gm / Litre
8. Cobalt nitrate                                                                                44 gm / Litre
9. Dil. Acetic acid                                                                              300 ml / Litre
10. Dil. Hydrochloric acid                                                                   400 ml / Litre
11. Dil. Nitric acid                                                                             300 ml / Litre
12. Dil. Sulphuric acid                                                                       150 ml / Litre
13. Di-sodium hydrogen phosphate                                                    120 ml / Litre
14. Lead acetate                                                                               95 gm / Litre + 15 ml acetic acid
15. Potassium chromate                                                                    20 gm / Litre + 15 ml acetic acid
16. Potassium ferrocyanide                                                               55 gm / Litre
17. Potassium iodide                                                                        33 gm / Litre
18. Silver nitrate                                                                             17 gm / Litre of distilled water
19. Sodium hydroxide                                                                      200 gm / Litre of distilled water
20. Starch solution : Add 1 gm / 10 ml of water starch paste into 90 ml of boiling water.
 

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