Explanatory notes
… give off white fumes in damp air. Hydrochloric acid has many uses, e.g., pickling iron, zinc or other metals, … gas is often employed in organic syntheses (e.g., in the manufacture of chloroprene, vinyl chloride, artificial … with water or if heated. It is used in organic syntheses (manufacture of saccharin, thioindigo, indigosols, etc.). The …