O-LevelChemistryBonding & Structure5070/11 · May/June 2015 · Q11 Mark

The fractional distillation apparatus shown is being used to separate a mixture of two liquids. A thermometer is missing from the apparatus. Where should the bulb of the thermometer be placed?

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Aat the top of the fractionating column

Bat the side-arm leading to the condenser

Cat the water outlet of the condenser

Din the collecting flask

✓ Correct answer

B: at the side-arm leading to the condenser

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2015 Paper 1 Variant 1, question 1.

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