Types of Chemical Reactions — Science STD 10 — Question
Tamilnadu BoardEnglish MediumSTD 10ScienceTypes of Chemical Reactions1 Mark
Question
What is a precipitation reaction?
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Answer
When aqueous solution of two compounds are mixed, if they react to form an insoluble compound and a soluble compound, then it is called precipitation reaction. $ \text { e.g } \left. Pb _n P NO _3\right)_{2( aq )}+2 KI _{( aq )} \longrightarrow PbI _{2( s )} \downarrow+2 KNO _{3( aq )} $
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