SECTION B

a(i)Define each of the following terms;

   I. Deliquescence  II. efflorescence

(ii) Give one example of a substance that undergoes each of the processes in 2a(i)

b(i)What is meant by ionization energy? 

  (ii)The second ionization energy value of sodium is greater than the first ionization energy. Briefly give an explanation for this observation.

c(i) State Charles' law

(ii) Sketch a graph to illustrate Charles' law.

(iii) A gas occupies 150 cm\(^3\) at 21\(^0\)C. What would be its volume if the temperature is raised to 45\(^0\)C and the pressure is kept constant?

d(i)Write chemical equations to illustrate what happens when each of the following oxides is dissolved in water:

 I. Sodium oxide;  

II. Phosphorus(III) oxide;

III. Chlorine (VII) oxide

IV. Magnesium oxide

(ii) Arrange the solutions in 2d(i) in order of increasing acidity.