Question 1 What are combination reaction? Question 2 Give example of combination reaction? Combination Reaction Those reactions in which two or more substances combine to form a single substance, are called Combination Reactions. For Example : 2C2H2 + 5O2 → 4CO2 + 2H2O N2(g) +3H2(g) → 2NH3(g) C + O2 → CO2 2H2 + O2 → 2H2O 2Mg(s) + O2(g) → 2MgO(s) Other … [Read more...] about Combination reaction