Changes in the updated A-Level Chemistry syllabus (subject code 9729) are bound to raise questions among students, especially those familiar with the old version (subject code 9647). There’s no need to worry though, because we spent forever scrutinizing the...
Topic: O Level Secondary 4: Electrolysis and Electric Cells, Reaction Enthalpy, Exploding phone batteries In 2016, one of the biggest tech news was the recall of Samsung Note 7 phones because some phones exploded during charging. Why did this happen? Background...
Fermentation is the chemical process in which molecules of glucose are broken down anaerobically in the presence of microorganisms like yeast and Lactobacillus. This process is used to bring about desirable changes in food and beverages. it is performed by...
We use the concept of oxidation numbers to help us analyse Redox Chemistry at the O Levels and A Levels. The oxidation number for a species is not the same as ionic charge; the numbers are assigned to species within covalent compounds, and ionic compounds....
DIFFERENCES BETWEEN H1 AND H2 CHEMISTRY While O-level Chemistry focuses on factual content, A-Level chemistry concentrates more on interpreting and applying scientific concepts and principles. Advanced techniques are essential for students to recognize the need to...
