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Identify the ions present in solution X based on the observations and conclusions provided.
Chemistry
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Okay, let let's fill in the table based on the observations and standard chemical tests.
a)
- i) Test Procedure: To 2 cm³ of solution X is added 5 drops of NaOH(aq) and warmed. Observation: A colourless pungent gas is evolved that turns damp red litmus paper blue. Conclusion: The gas is ammonia (), indicating the presence of ammonium ions ().
- ii) Test Procedure: A sample of X is strongly heated in a test tube. Observation: A brown gas is evolved. Conclusion: A brown gas (nitrogen dioxide, )
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