O-LevelChemistryOrganic Chemistry5070/11 · May/June 2019 · Q31 Mark

A paper chromatography experiment is carried out to separate and identify the mixture of amino acids produced from the hydrolysis of a protein. Which apparatus is needed?

Achromatography paper, locating agent, marker pen, solvent

Bchromatography paper, locating agent, pencil, ruler, solvent

Cchromatography paper, locating agent, ruler, solvent, thermometer

Dchromatography paper, locating agent, pencil, solvent, thermometer

✓ Correct answer

B: chromatography paper, locating agent, pencil, ruler, solvent

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Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2019 Paper 1 Variant 1, question 3.

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