O-LevelChemistryAtomic Structure5070/11 · May/June 2017 · Q261 Mark

Which pair gives two uses of argon?

Adisinfecting water and in balloons

Bdisinfecting water and in light bulbs

Cin balloons and in the manufacture of steel

Din light bulbs and in the manufacture of steel

✓ Correct answer

D: in light bulbs and in the manufacture of steel

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Topic: Atomic Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2017 Paper 1 Variant 1, question 26.

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