# Category: O Level

Here, you will find all the resources for O Level exams. We cover O level Chemistry, Physics and Additional Mathematics .

## 2023 Mathematics Specimen Paper 2

In this post, you’ll find the worked solutions for the 2023 Mathematics specimen paper 2. 2023 will be the first year for syllabus 4052.

## 2023 Mathematics Specimen Paper 1

In this post, you’ll find the worked solutions for the 2023 Mathematics specimen paper 1. This will be the first year for syllabus 4052.

## Proving Trigonometry Identity for O Level Additional Mathematics

Proving Trigonometry Identity Proving trigonometry identity is a common type of questions often tested In O Level Additional Mathematics. To prove an identity, students are…

## Learning About Haber Process – O Level Chemistry

Haber process is the industrial process used for the manufacture of ammonia from hydrogen and nitrogen with iron as the catalyst.

## Drawing Dot-and-Cross Diagrams of Ionic Compounds – O Level Chemistry

In this post, let’s look at examples of dot-and-cross diagrams of ionic compounds for O Level Chemistry. Specifically, we will only be drawing the dot-and-cross…

## Mole Concept and Stoichiometry – Formulae for O Level Chemistry

In this post, you will find a summary of all the mole concept and stoichiometry formulae you’ll need for your O Level Chemistry exams.

## Qualitative Analysis Table – O Level Chemistry

In O Level Chemistry, students learn the qualitative analysis table of cations, anions and also testing for gases. Let’s look at these three groups of…

## Qualitative Analysis – O Level Chemistry

Qualitative analysis is the process of identifying chemical components present in a sample by doing tests. Learn to write our observations in this post.

## Solubility Table of common ionic compounds in water – O Level Chemistry

In this post, I’ll share the solubility table of common ionic compounds in water. Solubility table of common ionic compounds in water Below is the…

## Salts – O Level Chemistry

In this post, let’s talk about salts as tested in O Level Chemistry. Check out our other posts on acids and bases which are very…

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