Which of the following is not a double decomposition reaction ? 

A) Pb(NO3)2 + 2 KI → PbI2 + 2KNO

B) NaCl + AgNO3 → AgCl + NaNO3 

C) Na2SO4 + BaCl2 → BaSO4 + 2NaCl 

D) Fe + CuSO4 → FeSO4 + Cu

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1 Answers

D) Fe + CuSO4 → FeSO4 + Cu

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