Question

3. Heat Which of the following are combination reactions? i. 2KClO3 2KCl + 302 ii. MgO + H2O -> Mg(OH)2 iii. 4Al + 302 + 2A12 03 iv. Zn + FeSO4 → ZnSO4 + Fe a) (ii) and (iii) b) (i) and (iii) c) (iii) and (iv) d) (ii) and (iv)​

Answer 1

Answer:

d) (ii) and (iii)​

MgO + H2O -> Mg(OH)2

4Al + 302 -> 2A1203

Explanation:

A chemical reaction in which 2 or more reactants chemically combine to form a single product.