O-LevelChemistryAcids, Bases & Salts5070/11 · Oct/Nov 2010 · Q261 Mark

Using the apparatus shown, chlorine is passed through the tube. After a short time, coloured substances are seen at P, Q and R. What are these coloured substances? at P at Q at R A green gas red brown vapour violet vapour B green gas violet vapour black solid C red brown vapour violet vapour black solid D violet vapour red brown vapour red brown vapour

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Agreen gas red brown vapour violet vapour

Bgreen gas violet vapour black solid

Cred brown vapour violet vapour black solid

Dviolet vapour red brown vapour red brown vapour

✓ Correct answer

C: red brown vapour violet vapour black solid

Oracle Prep sorts past-paper questions by topic, so you can drill Acids, Bases & Salts and see which topics are most likely to come up next.

Topic: Acids, Bases & Salts, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2010 Paper 1 Variant 1, question 26.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content