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Consider the following reactions: (I) Na 2 SO 4 (aq) + BaCl 2 (aq) β BaSO 4 (s) + 2NaCl(aq) (II) AgNO 3 (aq) + NaCl(aq) β AgCl(s) + NaNO 3 (aq) (III) CaCO 3 (s) βHeatβ CaO(s) + CO β (g) (IV) Fe(s) + CuSO 4 (aq) β FeSO 4 (aq) + Cu(s) Which of the above reactions are precipitation reactions?
Only I and III
Only III and IV
Only I and II
Only II and IV
Only I and II
Practice and solve "Consider the following reactions: (I) Na 2 SO 4 (aq) + BaCl 2 (aq) β BaSO 4 (s) + 2NaCl(aq) (II) AgN..." for General Science - Previous Year Paper 2026. The correct answer is Option C: Only I and II. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "Consider the following reactions: (I) Na 2 SO 4 (aq) + BaCl 2 (aq) β BaSO 4 (s) + 2NaCl(aq) (II) AgN..." for General Science - Previous Year Paper 2026. The correct answer is Option C: Only I and II. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.