Consider the following reactions. (I) CaCO3(s) —heat→ CaO(s) + CO2(g) (II) 2AgCl(s) —sunlight— 2Ag(s) + Cl2(g) (III) 2H2O(l) —electric current— 2H2(g) + O2(g) (IV) Fe(s) + CuSO4(aq) — FeSO4(aq) + Cu(s) Which of the above reactions correctly represent decomposition reactions?

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) Only reactions II and III
2. (B) Only reactions I, II and III
3. (C) Only reactions III and IV
4. (D) Only reactions I and II

Verified Answer

Option (B): Only reactions I, II and III

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