Credit: RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA/SCIENCE PHOTO LIBRARY

Caption: Lead iodide formation. Mixing of white lead nitrate and potassium iodide powders leads to the formation of yellow lead iodide. This is a double replacement reaction. The lead and iodide ions combine to form lead iodide, while the potassium and nitrate ions combine to form potassium nitrate. Potassium iodide is commonly used to test for lead.

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Keywords: chemical, chemistry, colour change, compound, demonstration, double replacement reaction, dry, experiment, hand, lead iodide, lead nitrate, mortar, one person, potassium iodide, powder, reacting, reaction, school science, science education, solid, stirring, studio shot, white background

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Lead iodide formation

K004/4362 Rights Managed

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Duration: 00:00:41

Frame size: 1920x1080

Frame rate: 25

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Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 1.2G

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Capture format: Sony FS700

Codec: Apple ProRes 422 HQ

Interlaced: Yes

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