The Tianjin Explosion: the chemistry behind it.

Tianjin Explosion. What exactly happened? Topic: O level sec 3 Mole Concept  On 12th August 2015, one of the deadliest explosions (actually, 2), happened in Tianjin, China. The two blasts measuring the equivalent of 3 and 21 tons of TNT, respectively. The second,...

Of Wines and Kimchi: The Art of Chemistry in Fermentation

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...

2020 Results

100% A for all RI/RGS/HCI/NYGH cohort for Chemistry 2020 Sec 4 RI GPA for Chemistry: 3.86/4.0 2020 Sec 4 RGS GPA for Chemistry: 3.94/4.0 2020 Sec 4 NYGH/HCI MSG for Chemistry: 1.26/1.00 2020 O level Results for Chemistry : 96.6% A/B 2020 Sec 3 HCI class for...

Redox and Oxidation Numbers

  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....