O-LevelChemistryChemistry of the Environment5070/12 · Oct/Nov 2016 · Q291 Mark

In the manufacture of paper, sulfur dioxide is used to remove the yellow colour from the wood pulp. Which term can be used to describe sulfur dioxide in this process?

Ableach

Bcatalyst

Can oxidising agent

Dsolvent

✓ Correct answer

A: bleach

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Topic: Chemistry of the Environment, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2016 Paper 1 Variant 2, question 29.

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