1

The reaction  represents which among the following reactions.

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

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) ?    

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3

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

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4

 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).

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5

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)

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