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Laboratory experiment to distinguish between calcium hydrogen carbonate and sodium hydrogen carbonate

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Laboratory experiment to distinguish between calcium hydrogen carbonate and sodium hydrogen carbonate

Question

Without using any laboratory chemical, describe a simple laboratory experiment to distinguish between calcium hydrogen carbonate and sodium hydrogen carbonate

Answer

. EITHER
- In separate test tubes, boil about 5cm3 of each solution.
- Sodium hydrogencarbonate solution remains colourless forms no precipitate
- Calcium hydrogencarbonate solution changes from colourless to white precipitate
OR

HEAT must be mentioned or implied.


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