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How will the changes in subject banding affect me?

How will the changes in subject banding affect me?

How will the changes in subject banding affect me? The Ministry of Education in Singapore has recently released an update announcing a change in the allocation of subject combinations for... Read More
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How will the 2027 Common Exam Replacing O and N Levels affect me?

How will the 2027 Common Exam Replacing O and N Levels affect me?

In 2027, the Ministry of Education in Singapore will replace the O and N Level examinations with a single common exam which occurs at the end of a student’s secondary... Read More
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How will the 2026 A Level Scoring Changes affect Chemistry students?

How will the 2026 A Level Scoring Changes affect Chemistry students?

In the coming years, Junior College students in Singapore will see major overhauls to the A Level scoring system, which will affect how A Level Chemistry students prepare for their... Read More
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Keeping Up with Focus Chemistry

Stoichiometry IV : A levels H2 Chemistry 2008 Paper 1 Q2: Lord Rayleigh and his “Atmospheric Nitrogen”.

Stoichiometry IV : A levels H2 Chemistry 2008 Paper 1 Q2: Lord Rayleigh and his “Atmospheric Nitrogen”.

Recall from the calculation of relative atomic mass of chlorine : For a mixture of of 35Cl and 37Cl  isotopes in an abundance ratio of 3:1, RAM of Cl =  (3(35)+1(35))/(3+1)  =... Read More
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Stoichiometry Part III: Tackling Redox Stoichiometry

Stoichiometry Part III: Tackling Redox Stoichiometry

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

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

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,... Read More
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Stoichiometry Part I: Tackling standard A Level / Prelims examination questions

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... Read More
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