Which of the following represents a precipitation reactio...
Which of the following represents a precipitation reaction?
H2SO4 + NaCl → NaHSO4 + HCl
Fe +H2SO4 → FeSO4 + H2
4HCl + MnO2 → MnCl2 + 2H2O + Cl2
Na2SO4 + pb(NO3) → PbSO4 + 2NaNO
CuO +2HCl → Cl2 + H2O
Correct answer is D
No explanation has been provided for this answer.
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