Notes
Testing for Anions
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To test for carbonates:
Add some barium chloride solution
If there are ions present this will produce a white precipitate of barium carbonate
Add some dilute hydrochloric acid
If there are carbonate ions present the mixture will fizz
This because carbonate will react with the acid to produce carbon dioxide gas
Collect the gas and pass it through limewater
The lime water should turn cloudy once all the barium carbonate has reacted
You end up with a colourless solution containing Be 2+ irons
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- GCSE Chemistry (C4: PREDICTING/IDENTIFYING REACTIONS AND PRODUCTS) Note on Testing for Anions, created by Nyra Valentine on 01/04/2023.
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- Nyra Valentine · Apr 2023
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- Apr 1, 2023
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