Stoichiometry and Mole Concept

February 28, 2017

Stoichiometry Part III: Tackling Redox Stoichiometry

Click here to read Stoichiometry Part 1 A common type of question in A-level Chemistry Preliminary Exams is redox calculation questions. This type of question usually appears in Paper 1 (MCQ) which allows only 1.5 minutes to solve. It sometimes appears in Papers 2 and...
February 28, 2017

Stoichiometry Part II: Tackling interesting A Level Chemistry Prelim Question: Gases

Click here to read Stoichiometry Part 1 In this section, we shall look at a few past year MCQ questions from top JCs. In the A levels Chemistry, the MCQ paper (paper 1) is a 40-question paper, in which students are given only 60 minutes to work out the solutions. That...
February 28, 2017

Stoichiometry Part I: Tackling standard A Level / Prelims examination questions

Stoichiometry and mole concept have been covered in the O levels and is redone during the first few months of Junior College (JC) Chemistry during the first year. Therefore, many students usually assume that this topic is easy and thus do not spend much time revising...