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Question
Give one example of a chemical reaction characterised by formation of a precipitate.
Solution
Formation of a precipitate: When potassium iodide is added to lead nitrate solution (colourless and clear), yellow precipitate of lead iodide solution is formed.
Pb(NO3)2 (aq) + 2KI(aq) → PbI2(s) + 2KHO3(aq)
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