Which of the following is not a double decomposition reaction ?
Which of the following is not a double decomposition reaction ?
A) Pb(NO3)2 + 2 KI → PbI2 + 2KNO3
B) NaCl + AgNO3 → AgCl + NaNO3
C) Na2SO4 + BaCl2 → BaSO4 + 2NaCl
D) Fe + CuSO4 → FeSO4 + Cu
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