Q.:- Give an example of the double displacement reaction other than the one given in Activity 1.10.
When lead (II) nitrate is mixed with potassium iodide, potassium nitrate and lead iodide are formed.
Pb(NO3)2 + 2KI –––> 2KNO3 + PbI2
Na2CO3 (aq) + CaCl2 (aq) –––> CaCO3 (s) + 2NaCl (aq)
Here sodium carbonate and calcium chloride exchange ions to form two new compounds.
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