EXTENDED ESSAYS

Chemistry

How does reflux time affect the yield and purity of ethyl aminobenzoate (Benzocaine), and how effective is recrystallisation as a purification technique for this compound?

Ameera Patel
Sevenoaks School

Comparison of iron intake diets in Tanzania

Rahima Sanya
International School of Tanganyika Ltd.

When solutions of (+) - Glucose and (-) - Fructose are mixed, is there a relationship between the observed rotation of polarised light caused by this mixture and the concentration of the constituent monosaccharide solutions?

Adrian Swaine
United World College of South East Asia