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| 1. |
What is the preparation method of sodium carbonate (washing soda) with reactions? |
| Answer» Preparation :When we heat baking soda then hydrogen gas released and sodium carbonate left.When water is added to sodium carbonate then it becomes washing soda.Equation :2Nahco3 = Na2CO3 +h2O+co2Na2CO3 +10h2O =Na2CO3.10H2O | |