A-LevelBiologyBiological molecules9700/12 · May/June 2013 · Q81 Mark

Which describes the emulsion test for the presence of lipids?

AAdd ethanol and shake.

BAdd ethanol, pour into water and shake.

CAdd water and shake.

DAdd water, pour into ethanol and shake.

✓ Correct answer

B: Add ethanol, pour into water and shake.

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Topic: Biological molecules, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2013 Paper 1 Variant 2, question 8.

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