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The 34 pages that link to Sulfur dioxide, each with the reason it gives.

• Volcanic gasBroader topic: Its emissions are readily measured and can form harmful atmospheric pollution.

• SulfurRelated: Sulfur dioxide is a major intermediate in sulfur chemistry and a pollutant from combustion.

• Acid rainRelated: Atmospheric oxidation of this pollutant produces sulfuric acid in acid rain.

• Fossil fuelRelated: Burning sulfur-bearing coal and oil can release this air pollutant.

• Deccan TrapsRelated: Its short-lived cooling effects may have countered volcanic carbon warming.

• Nitrogen dioxideCompared with: It is another acid-rain precursor, but contains sulfur rather than nitrogen.

• SmeltingRelated: Roasting and smelting sulfide ores can release it unless captured.

• Sulfur cycleBroader topic: Atmospheric sulfur dioxide can oxidize and return to land or water as sulfate and acid deposition.

• Flue-gas desulfurizationRelated: It is the principal pollutant targeted by flue-gas desulfurization.

• Volcanic gas monitoringRelated: Its plume flux is measured to estimate sulfur release from rising magma.

• Contact processRelated: It is the sulfur-bearing feed that the process converts into sulfur trioxide.

• Air pollution controlRelated: Fuel choice and flue-gas treatment are central ways to limit its emissions.

• Copper smeltingRelated: Oxidizing sulfide ore releases sulfur dioxide, a major smelter emission.

• Roasting (metallurgy)Broader topic: It is a major off-gas when sulfur-rich ores are roasted.

• Dimethyl sulfoxideCompared with: Despite the shared sulfur–oxygen chemistry, sulfur dioxide is a gas with distinct hazards and uses.

• Fossil fuel power stationRelated: Coal and oil combustion can release sulfur dioxide, which contributes to acid deposition and respiratory harm.

• Magmatic sulfide depositRelated: Sulfide-ore smelting can emit this gas, requiring capture or treatment.

• SulfiteNarrower topic: Dissolved sulfur dioxide feeds the acid–base forms that include sulfite.

• Sulfur trioxideCompared with: Oxidizing SO₂ adds oxygen and yields SO₃, the more reactive oxide.

• Sulfurous acidRelated: Dissolved SO₂ is the main chemical source conventionally represented as sulfurous acid.

• Volcanic outgassingRelated: Its atmospheric reactions can form sulfate aerosols that alter climate.

• Dried fruitRelated: Sulfiting can preserve the color of fruits such as apricots during drying.

• Thionyl chlorideRelated: Its formation helps drive thionyl chloride conversions by removing a gaseous reaction product.

• Bent molecular geometryBroader topic: Its bent arrangement illustrates molecular geometry with a different central element.

• Sodium bisulfiteRelated: Dissolved sulfur dioxide and bisulfite interconvert, especially as pH changes.

• Sodium dithioniteRelated: Acidification of dithionite can release sulfur dioxide, creating an inhalation hazard.

• Sodium metabisulfiteRelated: Dissolving sodium metabisulfite in water establishes equilibria that can release this preservative gas.

• Sodium sulfiteRelated: Dissolved sulfur dioxide forms sulfurous acid, whose neutralization can produce sodium sulfite.

• Carbon disulfideCompared with: Despite containing sulfur and oxygen, SO₂ is bent and polar, unlike nonpolar linear CS₂.

• Fuel oilRelated: Burning high-sulfur fuel oil releases sulfur dioxide unless emissions are controlled.

• Sulfur monoxideRelated: SO can be oxidized to this familiar, more stable sulfur oxide.

• Thiosulfuric acidRelated: It is one of the products associated with thiosulfuric acid decomposition.

• Mount Tambora eruptionRelated: Tambora’s sulfur dioxide was the precursor to aerosols that dimmed sunlight.

• OctasulfurCompared with: It is a common oxidation product of S₈, not an allotrope of elemental sulfur.