OCR – Chemistry

Paper 1

Topic 1

States of matter

Development of the Model of the Atom

Topic 2

Determining atomic mass and relative formula mass

Empirical Formula

Methods of Separating and Purifying Substances

Properties of Materials

Topic 3

Balancing Chemical Equations

Word Equation Questions

Moles Notes

Moles Questions - Easy

Moles Questions - Moderate

Moles Questions - Challenging

Moles Gases Questions

Calculating Bond Energies

Acid Reactions Questions

Electrolysis Notes

Half Equations Questions

Electrolysis Questions - Easy

Electrolysis Questions - Moderate to Challenging

Paper 2

Topic 4

Groups in the Periodic Table

Gas Tests Notes

Topic 5

Titrations Notes

Concentrations Questions

Titrations - Easy

Titrations - Moderate to Challenging

Topic 6

The Haber Process and NPK Fertilisers

Ceramic and Composites

Organic 1 - Alkanes and Alkenes

Organic 2 - Alcohols, Carboxylic acids and Esters

Chemical Cells and Fuel Cells

Chemistry of the Atmosphere

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Other Notes and Questions