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    				| 1. | Give one chemical test to distinguish between the following pairs of compounds: 1. Zinc sulphate solution and Zinc chloride solution. 2. Iron (II) chloride solution and Iron (III) chloride solution. 3. Calcium nitrate solution and Calcium chloride solution. | 
| Answer» 1. On addition of BaCl2 solution, Zinc sulphate solution will give a white ppt. of BaSO4 while Zinc chloride solution will not give any ppt with BaCl2 solution. 2. Iron II chloride gives a dirty green ppt with NaOH solution. Iron III chloride will give a reddish brown ppt with NaOH solution. 3. Calcium chloride solution will give a white ppt with AgNO3 solution while calcium nitrate solution will not give any ppt with AgNO3 solution. | |