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Question
Give one example of a chemical reaction characterised by the formation of a precipitate.
Very Short Answer
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Solution
When potassium iodide is added to a lead nitrate solution (colourless and clear), a yellow precipitate of lead iodide is formed.
\[\ce{Pb(NO3)2_{(aq)} + 2KI_{(aq)} -> PbI2_{(s)} + 2KHO3_{(aq)}}\]
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Chapter 1: Chemical Reactions and Equations - Exercise 1 [Page 30]
