Mr Khemistry Blog
Whether you're a student tackling O and A-Level Chemistry or someone passionate about science, this blog is here to break down complex chemical concepts into easy-to-understand lessons. At Mr Khemistry, we believe in simplifying challenging topics through relatable examples, engaging tutorials, and expert guidance. Our mission is to help students not only improve their grades but also cultivate a deeper love for Chemistry by turning confusing equations into "aha" moments. Dive into our content for insightful tips, hands-on strategies, and everything you need to excel in Chemistry.

Important Trends in the Periodic Table: Our Guide for Students
If you are studying H2 Chemistry in Singapore, periodicity can feel deceptively simple at first. You may remember that atomic

What Are the Hardest Topics in A-Level Chemistry? Our Tips on How to Master Them
1. Struggling with H2 Chemistry? Explore the hardest A-Level Chemistry topics, common mistakes, and practical revision tips to improve your exam approach.

Where Do Redox Reactions Happen in Daily Life? Examples We Use in Class
Explore examples of redox reactions in everyday life we use at Mr Khemistry to explain oxidation, reduction, electron transfer and O-Level exam concepts.

How We Explain Electrochemistry Principles to Our O- and A-Level Students
Learn how Mr Khemistry explains electrochemistry principles at O- and A-Level, from electrolysis and redox to E° values and Faraday calculations.

Struggling With Solubility Rules? Here’s How We Make the Exceptions Easier to Remember
Struggling with solubility rules and their exceptions? Learn practical ways to remember common patterns, predict precipitates, and tackle exam questions.
Why Do Transition Elements Have Variable Oxidation States?
Transition metals like Fe and Mn show many oxidation states because 3d and 4s are close in energy, so successive ionisation energies rise only gradually.

How Chemistry Makes You Think Differently: What We See in Our Students
Discover how students build critical thinking in Chemistry by applying concepts, spotting patterns, learning from mistakes, and solving unfamiliar questions.

How to Make Chemistry Notes That Actually Help You Revise
Discover how to make effective Chemistry notes that help simplify revision, highlight key patterns, and allow you to apply concepts more confidently in exams.
Does Limestone Dissolve in Water?
Limestone (CaCO₃) is almost insoluble in pure water, but dissolved CO₂ turns it into soluble calcium hydrogencarbonate. The chemistry and the A-level link.