Qualitative Analysis
297 past-paper questions on Qualitative Analysis · examined 2020–2025.
20258 questions
Samples of two compounds, P and Q, are tested. The result of each test is shown. Which row shows the identities of the ions present in P and Q?
Solid J contains cations and chloride ions. The aqueous solution of J is colourless. Which statement about J is correct?
Solid J contains cations and chloride ions. The aqueous solution of J is colourless. Which statement about J is correct?
A sample of a white powder, X, is dissolved in water. Tests are done on separate portions of this solution and the observations are shown in the table.
Solid Q reacts with dilute hydrochloric acid, producing a gas that turns limewater milky. What is solid Q?
Solid Q reacts with dilute hydrochloric acid, producing a gas that turns limewater milky. What is solid Q?
To a 1 cm depth of Q in a test-tube, add five drops of universal indicator. Record your observations.
To a 2 cm depth of Q in a test-tube, add a piece of magnesium ribbon. Record your observations and conclusion.
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