Candidates showed good understanding of
(1) definition of various terms;
(2) orbital arrangement of electrons;
(3) periodic elements;
(4) stoichoimetry of chemical reactions;
(5) electrolysis;
(6) redox reactions;
(7) hardness of water;
(8) purification of water;
(9) pollution and its prevention;
(10) organic chemistry;
(11) non-metals and other compounds.