Exam (elaborations)
OCR A A Level CHEMISTRY PAPER 1 2023 questions and answers
- Module
- Institution
Test for carbonates - - add dilute HCL - it makes carbon dioxide test for carbon dioxide by bubbling it through lime water Test for ammonium ions - -add sodium hydroxide -warm the mixture -hover damp red litmus paper over it , if it turns blue the ions are present Test for sulphate ion...
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