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O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2011 · Q241 Mark

The diagram shows steel wool inside a test-tube. The test-tube is inverted in water, trapping air inside. What will be the water level inside the tube after several days?

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AA

BB

CC

DD

✓ Correct answer

C: C

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About this question

Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2011 Paper 1 Variant 1, question 24.

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