Introduction 2'46"
Girls and shoes (1) 6'04"
Girls and shoes (2) 4'45"
Hydrogen and oxygen 11'34"
Hydrogen and nitrogen 5'04"
Ammonia and oxygen 8'13"
Exam questions 13'53"
Introduction 8'48"
Percentage purity: Exam questions 12'27"
Percentage purity: Grade 12 Exam questions 13'48"
Concentration, pH and percentage purity:
Part 1: Concentration and pH 5'02"
Part 2: Percentage purity 11'17"
Part 3: Overview and recap of percentage purity question 2'01"
Quiz competition: Deadline 17 June
Basic stoichiometry
Stoichiometry workbooks
Electronic resources
Old exam papers
Grade 11 Physical Science
Chemistry
Electrostatics