LAWRENCE MIGDALE / SCIENCE PHOTO LIBRARY. LAWRENCE MIGDALE / SCIENCE PHOTO LIBRARY.
Illustration of a precipitation reaction in inorganic chemistry: a colourless solution of potassium iodide is added to colourless solution of lead nitrate, with the formation of an insoluble precipitate of lead iodide (cloudy yellow suspension). Equation: Potassium iodide (aqueous) + Lead Nitrate (aqueous) > Lead iodide (precipitate) + Potassium Nitrate (aqueous).
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