CAIE IGCSE Chemistry 10.3.4 Reduction strategies: for climate

Practise choosing climate and acid-rain reduction methods, especially calcium oxide or lime for neutralising acidic flue gases.

Exam points

select calcium oxide or lime as the substance for flue gas desulfurisation
link heating limestone to calcium oxide used to neutralise acidic industrial gases

[Maximum number: 1]

This question is about gases found in clean, dry air and gases found in polluted air.

Name the substance used to remove sulfur dioxide in flue gas desulfurisation.

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