O-LevelChemistryBonding & Structure5070/12 · Oct/Nov 2018 · Q271 Mark

The diagram shows the structure of an alloy. Which statement about alloys is correct?

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AAlloys can only be formed by mixing copper or iron with other metals.

BHigh carbon steel alloys are soft and easily shaped.

CIn an alloy there is attraction between positive ions and a 'sea of electrons'.

DThe alloy brass has a chemical formula.

✓ Correct answer

C: In an alloy there is attraction between positive ions and a 'sea of electrons'.

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2018 Paper 1 Variant 2, question 27.

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