O-LevelChemistryBonding & Structure5070/11 · Oct/Nov 2017 · Q301 Mark

The diagram shows a circuit used to test the electrical conductivity of strips of solid materials. If the material conducts, the bulb lights. Strips of brass, nylon and zinc are each tested separately by connecting them into the circuit. For which strips does the bulb light?

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Abrass, nylon and zinc

Bbrass and nylon only

Cnylon and zinc only

Dzinc and brass only

✓ Correct answer

D: zinc and brass only

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2017 Paper 1 Variant 1, question 30.

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