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| any saline or salty solution |
| a salt of hydrocyanic acid, such as potassium cyanide, KCN |
| sulfur dioxide
A colorless, poisonous gas or liquid with a strong odor. It is formed naturally by volcanic activity, and is a waste gas produced by burning coal and oil and by many industrial processes, such as smelting. It is also a hazardous air pollutant and a major contributor to acid rain. Chemical formula: SO2. |