Exam (elaborations)
Qualitative Analysis: A Level Chemistry OCR | Questions and Answers with complete solution
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Test for carbonates - Add dilute Nitric Acid - see bubbling: May be a carbonate Bubbles - carbon dioxide To prove it is carbon dioxide, bubble through limewater - should turn from clear to cloudy Na₂CO₃(aq) + 2HNO₃(aq) → 2NaNO₃(aq) + CO₂(g) + H₂O(l) Testing for sulphates - Add Bar...
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