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Question 18Which of the following are combination reactions?(i) 2KClO3Heat→2KCl+3O2(ii) MgO+H2O→Mg(OH)2(iii) 4Al+3O2→2Al2O3(iv) Zn+FeSO4→ZnSO4+Fe(a) (i) and (iii)(b) (iii) and (iv)(c) (ii) and (iv)(d) (ii) and (iii)

Answer» Question 18

Which of the following are combination reactions?



(i) 2KClO3Heat→2KCl+3O2

(ii) MgO+H2O→Mg(OH)2

(iii) 4Al+3O2→2Al2O3

(iv) Zn+FeSO4→ZnSO4+Fe



(a) (i) and (iii)

(b) (iii) and (iv)

(c) (ii) and (iv)

(d) (ii) and (iii)


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