# Organic Compounds and Macromolecules notes

> CAPS-aligned study notes for Organic Compounds and Macromolecules in Grade 12 Physical Sciences. Browse the sections below for explanations, worked examples and exam preparation.

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## Sections in Organic Compounds and Macromolecules

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- [Organic Compounds](https://www.hlayiso.com/grade-12/physical-sciences/notes/organic-compounds-and-macromolecules/organic-compounds) — Organic Compounds Organic chemistry is the branch of chemistry that studies carbon-containing compounds found in both living and non-living systems. Carbon atoms have a unique ability to form four…
- [Physical Properties of Organic Compounds](https://www.hlayiso.com/grade-12/physical-sciences/notes/organic-compounds-and-macromolecules/physical-properties-of-organic-compounds) — Physical Properties of Organic Compounds The physical properties of organic compounds, such as boiling point, melting point, vapour pressure and solubility, are determined by the structure of the…
- [Chemical Properties of Organic Compounds](https://www.hlayiso.com/grade-12/physical-sciences/notes/organic-compounds-and-macromolecules/chemical-properties-of-organic-compounds) — Chemical Properties of Organic Compounds The chemical properties of organic compounds are determined by the functional group attached to the carbon chain. Each homologous series has a characteristic…
- [Reactions of Organic Compounds](https://www.hlayiso.com/grade-12/physical-sciences/notes/organic-compounds-and-macromolecules/reactions-of-organic-compounds) — Reactions of Organic Compounds Organic reactions can be classified into six main types: addition, elimination, substitution, oxidation, esterification and hydrolysis. Each reaction type has specific…
- [Plastics, Polymers and the Environment](https://www.hlayiso.com/grade-12/physical-sciences/notes/organic-compounds-and-macromolecules/plastics-polymers-and-the-environment) — Plastics, Polymers and the Environment Polymers are large molecules made up of many repeating units called monomers. Organic chemistry gives us two major types of polymerisation: addition…

## Other Physical Sciences topics

- [Newton's Laws and Forces](https://www.hlayiso.com/grade-12/physical-sciences/notes/newtons-laws-and-forces)
- [Momentum and Impulse](https://www.hlayiso.com/grade-12/physical-sciences/notes/momentum-and-impulse)
- [Vertical Projectile Motion](https://www.hlayiso.com/grade-12/physical-sciences/notes/vertical-projectile-motion)
- [Work, Energy and Power](https://www.hlayiso.com/grade-12/physical-sciences/notes/work-energy-and-power)
- [Doppler Effect](https://www.hlayiso.com/grade-12/physical-sciences/notes/doppler-effect)
- [Electrostatics](https://www.hlayiso.com/grade-12/physical-sciences/notes/electrostatics)
- [Electric Circuits](https://www.hlayiso.com/grade-12/physical-sciences/notes/electric-circuits)
- [Electrodynamics](https://www.hlayiso.com/grade-12/physical-sciences/notes/electrodynamics)
- [Optical Phenomena and Properties of Materials](https://www.hlayiso.com/grade-12/physical-sciences/notes/optical-phenomena-and-properties-of-materials)
- [Emission and Absorption Spectra](https://www.hlayiso.com/grade-12/physical-sciences/notes/emission-and-absorption-spectra)
- [Rate and Extent of Reactions](https://www.hlayiso.com/grade-12/physical-sciences/notes/rate-and-extent-of-reactions)
- [Chemical Equilibrium](https://www.hlayiso.com/grade-12/physical-sciences/notes/chemical-equilibrium)
- [Acids and Bases](https://www.hlayiso.com/grade-12/physical-sciences/notes/acids-and-bases)
- [Electrochemistry](https://www.hlayiso.com/grade-12/physical-sciences/notes/electrochemistry)
- [The Chlor-Alkali Industry](https://www.hlayiso.com/grade-12/physical-sciences/notes/the-chlor-alkali-industry)
- [The Fertiliser Industry](https://www.hlayiso.com/grade-12/physical-sciences/notes/the-fertiliser-industry)

## Frequently asked questions

### What is covered in Organic Compounds and Macromolecules for Grade 12 Physical Sciences?

The Organic Compounds and Macromolecules section covers all key concepts from the Grade 12 Physical Sciences CAPS curriculum, including detailed explanations, worked examples, and exam preparation tips.

### Are the Organic Compounds and Macromolecules notes free?

Yes. Each section has a free preview, and a free Hlayiso account lets you read the full notes.

### How do these notes help with exam preparation?

Our Organic Compounds and Macromolecules notes are CAPS-aligned and include worked examples, common mistakes to avoid, and exam tips — everything you need to prepare for your Grade 12 Physical Sciences exams.

### Are there quizzes for Organic Compounds and Macromolecules?

Yes. Hlayiso has quizzes for Organic Compounds and Macromolecules in Grade 12 Physical Sciences. Test your understanding after reading the notes.

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