Secondary 3 Resources

Organic Chemistry is one of the most scoring yet commonly misunderstood topics in O-Level Chemistry. Many …

Say goodbye to dull textbooks and monotonous lectures—these videos offer interactive and dynamic content that will …

At AchieversDream, we believe that mastering Chemistry goes beyond memorising formulas and theory. A strong grasp …

Quick Guide to Achievers Dream’s Chemistry Tuition Programmes Looking for the right class, lab programme, or …

When students think about improving in Chemistry, most focus on memorising content, doing more practice questions, …

Measurements in Chemistry In chemistry experiments, the following five measurements are often made:  Temperature  Time  Mass  …

Secondary Chemistry Topic Revision: Kinetic Particle Theory The matter is anything that occupies space and has …

Secondary Chemistry Revision: Atomic Structure Atomic Structure is the most fundamental topic to master if you …

Secondary Chemistry Topic Revision: Chemical Bonding In Chemical Bonding, there are 3 main parts - Melting …

Secondary Chemistry Revision: Drawing of Dot and Cross Diagram Tips & Tricks to Draw Dot and …

Formulas and Equations Ionic compound is formed between positive and negative ions. Students need to be …

Acids Acids are compounds that ionises to form hydrogen ions (H+) when dissolved in water. The …

Chapter 7 Salt Preparation Salts A salt is an ionic compound formed when a metallic ion …

Chapter 8 : Chapter 8 - Qualitative analysis Qualitative analysisTo identify the substances present in the …

Chapter 9: Mole Concept & Chemical Calculations Mole concept & chemical calculations videos Watch the chapter …

Secondary 3 Chapter 10: Metals Chemical properties of metals The metal reactivity series below shows how …

S3 Periodic Table The Periodic Table topic is very closely related to atomic structure and chemical …

Chapter 12: Redox Reactions What is Redox? Redox is a combination of two words: Reduction and …

S3 Air Atmosphere Composition of dry air is 78% nitrogen (N2) and 21% oxygen (O2).   …

Chemical Calculations O Level 6092 CHEMISTRY GCE ORDINARY LEVEL SYLLABUS Chemical calculations form the backbone of quantitative …

Chemical Reactions in Everyday Life Chemical reactions are happening all around us, often in places we’d …

Chemistry Formula (O Levels) 1. Atomic Structure Relative Atomic Mass (Ar) and Relative Molecular Mass (Mr):  …

At Achievers Dream, we believe that quality education should be accessible to all students. That’s why …

Chemistry Olympiad The Chemistry Olympiad is an annual competition that challenges school students with advanced chemistry …

Chemistry Practical Resources Chemistry practical for the O Levels and A Levels are often a difficult …

Chemistry Tuition Chemistry Tuition in Singapore  For Chemistry tuition in Singapore, there are numerous options available …

Organic Chemistry is one of the most scoring and also most time consuming areas in the …

About O Level Combined Science If you’re a student in Singapore preparing for the Combined Science …

Stoichiometry is one of the most tested — and most misunderstood — topics in O-Level Chemistry. …

Electrolysis is an important topic in both O Level and A Level Chemistry. It involves using …

Your Ultimate O-Level & A-Level Chemistry Guide by Achievers DreamQualitative Analysis (QA) is one of the …

✅ 2026 Verified: Aligned with O-Level 6092 Practical Scope This Salt Preparation cheat sheet has been …

GCE O Level Science Practical Based on the Ministry of Education (MOE) syllabus for the GCE …

These resources, including past-year papers and specimen papers for 2024, are tailored to help students familiarize …

What is the Reverse Engineer Method? Instead of trying to solve a difficult question from scratch, …

How to Calculate Percentage Yield Chemistry Calculating percentage yield in chemistry involves comparing the actual yield …

2025 O-Level Chemistry Exam Trends: What You Need to Know for 2026 The 2025 GCE O-Level …

The Integrated Programme (IP) in Singapore is a 6-year academic programme that allows high-performing students to …

Studying Beyond Chemistry Tuition lessons Struggling with chemistry despite putting in the hours? It might not …

The metal reactivity series is one of the most important topics in Chemistry because it helps …

Mole Chemistry and Formula for O:A levels The mole concept is a fundamental principle in chemistry …

1. Understand the Question First Before writing anything, read the question carefully and identify exactly what …

In O-Level and A-Level Chemistry, students frequently need to memorise or reference certain rules, trends, and …

O Level Chemistry (Notes For Qualitative Analysis) Do note that the notes for qualitative analysis is …

Experimental Chemistry:  1.1 Experimental Design  1.2 Methods of Purification and Analysis  The Particulate Nature of Matter …

About Quantities, Symbols and Units for the O levels Understanding and mastering the key quantities and …

Le Chatelier’s Principle is one of the most commonly tested topics in O-Level Chemistry and one …

SALTS PREPARATION There are 3 methods to prepare salts: 1. Precipitation method - to produce INSOLUBLE …

Introduction to the O-Level Combined Science Syllabus 2026   The O-Level Combined Science syllabus is tailored …

O level Science Practical Assessment Criteria About the O Level Practicals As part of the O …

Physical Chemistry is where most O-Level students begin to struggle. Unlike Organic Chemistry, which often feels …

Unlike theory, where answers can be revised and memorised, practical requires students to apply their knowledge …

Many O-Level Chemistry questions are not always calculation-heavy.Some of the most commonly tested questions are actually …

Organic chemistry is often one of the most challenging parts of secondary school chemistry. Students quickly …

The Periodic Table A Comprehensive Guide for O Level Student Attention O Level students! Are you …

The following are clickable resources that provide key content and practice materials on the Periodic Table. …

2026 Update: The Pure Chemistry O-Level syllabus (6092) remains in effect for 2026 with no major …

Pure Science Syllabus vs Combined Science Syllabus (O level) Choosing between the Pure Science (Syllabus 6092) …

Mastering qualitative analysis is a crucial component of the O Level Chemistry curriculum.(Syllabus 6092).  This branch …

Science Competition Singapore 2026: Chemistry & Science Olympiads Guide Singapore offers a rich calendar of science …

Looking for Secondary School Scholarships in Singapore?  If you're a student or parent navigating the Singapore …

In this article, we delve into the fascinating world of spectroscopic techniques, exploring their diverse applications …

Speed of Reaction for O levels Speeds of reaction in the chemistry syllabus is a topic …

Organic chemistry—the study of carbon-based compounds—has a rich, evolving history. From early philosophical ideas to cutting-edge …

A Brief Update on the Periodic Table The periodic table is one of the most recognizable …

2025/2026 University Admissions Update: For the AY2025/2026 intake, NUS, NTU, and SMU continued to offer competitive …

If you're studying O-Level Chemistry, one of the most common terms you will encounter is Mr. …

Many students and parents searching for chemistry help in Singapore will come across two common terms: …

Many parents assume that O-Level Chemistry performance is determined mainly in Sec 4. But when we …

Many students find O-Level Chemistry difficult, even when they are putting in effort. This is often …