1. Classify each by the type of reaction as combination, decomposition, single displacement or double displacement 2Mg(s)+O2(g)2MgO(s)H2CO3(aq)H2O(l)+CO2(g)Sn(s)+Pb(NO3)2(aq)Pb(s)+Sn(NO3)2(aq)FeCl3(aq)+3NaOH(aq)3NaCl(aq)+Fe(OH)3(s)8H2(g)+S8(s)8H2S(g)CaCO3(s)CaO(s)+CO2(g) 2. Rank the metals A,B,C in an activity series based on the experimental results below. Explain your answer. A(s)+BX(aq)B(s)+AX(aq)C(s)+AX(aq)A(s)+CX(aq) b) What happens (if anything) in the reaction B(s)+AX(aq) Explain. 3.-- A student added a metal to a solution and observed vigorous bubbling. Could one or more of the equations below represent the observation? Explain why or why not. Na(s)+2HCl(aq)NaH2(aq) and Cl2(g) Cl2(g)+2NaBr(aq)2NaCl(aq)+2Br2(g)