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Practical test: identify the salt X

A different unknown salt every time. Pour samples into the empty tubes, test them and name X.

Topic: Identifying substancesGrade: 10Free

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What you do

  1. Pour 2–3 mL into the empty tubes and test the cation (flame, NaOH) and the anion (AgNO₃, acid, BaCl₂).
  2. Choose the formula of X below and press Submit.

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Flame testsEach metal ion gives the flame its own colour.Testing for chloride ionsSilver nitrate gives a white precipitate only where chloride ions are present.Chloride, bromide or iodide?Silver nitrate gives three different precipitate colours.Coloured precipitatesIdentify metal ions from the colour of their hydroxides, and sulfate with barium.Testing for ammonium ionsWarm with sodium hydroxide and test the gas.Making oxygen by heatingHeat potassium permanganate and test the gas.