EFFECTS OF CHEMICAL DEMONSTRATIONS IN TEACHING ANALYTICAL CHEMISTRY 4 by 6 . < Phan Thanh Chung B.Sc.. Cantho University. 1978 THESIS SCIBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE in the Faculty Education O Phan Thanh Chung 1997 SIXION FRASER LrNIVERSITY April I997