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BBC
4y
Sample exam questions - purifying and identifying - OCR Gateway
These are for GCSE Chemistry students only ... eg identify an unknown compound using cation tests, anion tests and flame tests A teacher adds a few drops of universal indicator solution to ...
BBC
4y
Chemical analysis - (CCEA) Tests for anions
Their ions are called halide ions e.g. chloride, Cl-. You can test for them using silver nitrate solution.
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