The reaction  represents which among the following reactions.

1. Synthesis
2. Precipitation
3. Neutralization
4. Displacement
5. Decomposition

Complete the following equations and determine the type of chemical reaction involved in each case.

(i)  Zn(s) + H2SO4( aq) ?

(ii)  AgNO₃₍ aq₎ + NaCl₍ aq₎ ^?              

(iii)  N2(g) + H2(g) ?    

Give the name of the type of reaction represented by each of the following chemical equations.

 State and describe the type of reaction in the following chemical equations: 

 (i) Fe(s) + CuSO4(aq) à FeSO4(aq) + Cu(s).

 (ii) Na2SO4(aq) + BaCl2(aq) à BaSO4(s) + 2NaCl(aq).

Classify the following reactions into oxidation and reduction reactions.

(i)  S( s) + O 2( g) ? SO 2( g)

(ii) N2( g) + 3H 2( g) ? 2NH 3( g)

(iii) Fe2+ (aq) ­ e ­  ? Fe3+ (aq)

(iv) Fe³⁺ _(aq) ­ e  ^­  ? Fe²⁺ _(aq)  (4 marks)