Which of the following are combination reactions ? (i) 2KClO 3 → 2KCl + 3O 2 (ii) MgO + H 2 O → Mg(OH) 2…

Which of the following are combination reactions ? (i) 2KClO3 → 2KCl + 3O2 (ii) MgO + H2O → Mg(OH)2 (iii) 4Al + 3O2 → 2Al2O3 (iv) Zn + FeSO4 → ZnSO4 + Fe Options :
  1. (i) and (iii)
  2. (iii) and (iv)
  3. (ii) and (iv)
  4. (ii) and (iii)

Solution

(ii)and (iii)

Asked in: CBSE

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